The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A122461

(Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A122461

Repetitions of even numbers four times.
(history; published version)

#44 by Alois P. Heinz at Mon Jan 30 11:11:38 EST 2023

STATUS

reviewed

approved

#43 by Michel Marcus at Mon Jan 30 11:03:06 EST 2023

STATUS

proposed

reviewed

#42 by Chai Wah Wu at Mon Jan 30 10:52:07 EST 2023

STATUS

editing

proposed

#41 by Chai Wah Wu at Mon Jan 30 10:51:53 EST 2023

PROG

(Python)

def A122461(n): return n>>1&-2 # Chai Wah Wu, Jan 30 2023

STATUS

approved

editing

#40 by Harvey P. Dale at Sun Mar 15 15:12:25 EDT 2020

STATUS

editing

approved

#39 by Harvey P. Dale at Sun Mar 15 15:12:21 EDT 2020

MATHEMATICA

Table[PadRight[{}, 4, 2n], {n, 0, 20}]//Flatten (* _or *) LinearRecurrence[ {1, 0, 0, 1, -1}, {0, 0, 0, 0, 2}, 80] (* _Harvey P. Dale_, Mar 15 2020 *)

STATUS

approved

editing

#38 by Harvey P. Dale at Sun Mar 15 15:11:17 EDT 2020

STATUS

editing

approved

#37 by Harvey P. Dale at Sun Mar 15 15:11:14 EDT 2020

MATHEMATICA

Table[PadRight[{}, 4, 2n], {n, 0, 20}]//Flatten (* Harvey P. Dale, Mar 15 2020 *)

STATUS

approved

editing

#36 by Susanna Cuyler at Tue Oct 03 08:49:53 EDT 2017

STATUS

proposed

approved

#35 by Wesley Ivan Hurt at Tue Oct 03 04:07:03 EDT 2017

STATUS

editing

proposed