The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A087151 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A087151

Positive square-root of terms of the self-convolution of A087150.
(history; published version)

#4 by Russ Cox at Fri Mar 30 18:36:38 EDT 2012

AUTHOR

_Paul D. Hanna (pauldhanna(AT)juno.com), _, Aug 19 2003

Discussion

Fri Mar 30

18:36

OEIS Server: https://oeis.org/edit/global/213

#3 by N. J. A. Sloane at Sat Nov 10 03:00:00 EST 2007

KEYWORD

nonn,new

nonn

AUTHOR

Paul D . Hanna (pauldhanna(AT)juno.com), Aug 19 2003

#2 by N. J. A. Sloane at Fri Feb 24 03:00:00 EST 2006

FORMULA

a(n)^2 = sum(k=1, n, A087150(k)*A087150(n-k+1)).

KEYWORD

nonn,new

nonn

#1 by N. J. A. Sloane at Sat Sep 13 03:00:00 EDT 2003

NAME

Positive square-root of terms of the self-convolution of A087150.

DATA

1, 2, 4, 8, 14, 22, 34, 50, 68, 88, 116, 156, 208, 274, 362, 474, 610, 774, 972, 1210, 1496, 1838, 2244, 2738, 3330, 4016, 4796, 5696, 6734, 7900, 9204, 10664, 12284, 14086, 16108, 18362, 20910, 23836, 27156, 30942, 35296, 40252, 45854, 51978

OFFSET

1,2

FORMULA

a(n)^2 = sum(k=1,n, A087150(k)*A087150(n-k+1)).

CROSSREFS

Cf. A087150.

KEYWORD

nonn

AUTHOR

Paul D Hanna (pauldhanna(AT)juno.com), Aug 19 2003

STATUS

approved