A077810 - OEIS

(Translated by https://www.hiragana.jp/)
A077810 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

A077810

Sum of divisors of numbers containing in their decimal representation only the digits 0 and 1.

1

1, 18, 12, 217, 102, 216, 152, 2340, 1344, 1836, 1352, 2604, 1472, 2736, 1224, 24211, 10212, 24192, 13824, 22134, 17024, 24336, 10112, 28080, 15520, 26496, 14896, 32984, 11772, 22032, 11424, 246078, 109104, 183816, 147744, 291648, 135904, 248832, 115200, 238680

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

LINKS

Table of n, a(n) for n=1..40.

FORMULA

a(n) = A000203(A007088(n)).

EXAMPLE

a(6) = A000203(A007088(6)) = A000203(110) = 1+2+5+10+11+22+55+110 = 216.

CROSSREFS

Cf. A000203, A007088, A077809.

Sequence in context: A033668 A030239 A040308 * A232505 A297939 A298550

Adjacent sequences: A077807 A077808 A077809 * A077811 A077812 A077813

KEYWORD

nonn,base

AUTHOR

Reinhard Zumkeller, Nov 16 2002

STATUS

approved