The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A186337

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Smallest integer that can be expressed as the sum of one or more consecutive semiprimes in exactly n ways.
(history; published version)

#9 by Russ Cox at Fri Mar 30 17:37:34 EDT 2012

AUTHOR

_Alois P. Heinz (heinz(AT)hs-heilbronn.de), _, Feb 18 2011

Discussion

Fri Mar 30

17:37

OEIS Server: https://oeis.org/edit/global/179

#8 by Russ Cox at Fri Mar 30 17:35:02 EDT 2012

EXTENSIONS

a(11)-a(15) from _Donovan Johnson (donovan.johnson(AT)yahoo.com), _, Feb 21 2011

Discussion

Fri Mar 30

17:35

OEIS Server: https://oeis.org/edit/global/163

#7 by Charles R Greathouse IV at Mon Feb 21 06:56:08 EST 2011

STATUS

proposed

approved

#6 by Donovan Johnson at Mon Feb 21 05:36:29 EST 2011

DATA

4, 10, 39, 185, 417, 589, 8351, 40181, 50809, 69195, 2614377, 4044299, 27691722, 110046335, 473061053

EXTENSIONS

a(11)-a(15) from Donovan Johnson (donovan.johnson(AT)yahoo.com), Feb 21 2011

STATUS

approved

proposed

#5 by T. D. Noe at Sun Feb 20 14:48:18 EST 2011

STATUS

reviewed

approved

#4 by Alois P. Heinz at Fri Feb 18 14:46:24 EST 2011

STATUS

proposed

reviewed

#3 by Alois P. Heinz at Fri Feb 18 14:31:33 EST 2011

EXAMPLE

a(1) = 4 = A001358(1) is the first semiprime.

a(2) = 10 = A001358(1)+A001358(2) = 4+6 = A001358(4) = 10.

a(3) = 39 = 6 + 9 + 10 + 14 = 10 + 14 + 15 = 39.

a(4) = 185 = 58 + ... + 65 = 39 + ... + 51 = 4 + ... + 33 = 185.

#2 by Alois P. Heinz at Fri Feb 18 14:24:26 EST 2011

NAME

allocated for Alois P. Heinz

Smallest integer that can be expressed as the sum of one or more consecutive semiprimes in exactly n ways.

DATA

4, 10, 39, 185, 417, 589, 8351, 40181, 50809, 69195

OFFSET

1,1

CROSSREFS

Cf. A001358, A112020, A186336.

KEYWORD

allocated

nonn,more

AUTHOR

Alois P. Heinz (heinz(AT)hs-heilbronn.de), Feb 18 2011

STATUS

approved

proposed

#1 by Alois P. Heinz at Fri Feb 18 13:53:06 EST 2011

NAME

allocated for Alois P. Heinz

KEYWORD

allocated

STATUS

approved