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A111582 G.f.: A(x) = ( G(x)^3 - G(x^3) - 3*x*(1+x)/(1-x^3) )/(9*x^2) where G(x) is the g.f. of A110628. 1
1, 3, 6, 11, 16, 22, 28, 33, 41, 51, 61, 76, 93, 107, 125, 144, 159, 178, 200, 215, 233, 256, 271, 288, 314, 332, 349, 377, 391, 407, 435, 450, 466, 497, 517, 538, 574, 595, 619, 653, 679, 705, 750, 784, 816, 859, 888, 919, 961, 1002, 1039, 1102, 1145, 1186 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

A110628 is the trisection of A083953; surprisingly, the self-convolution cube of A110628 is congruent modulo 9 to A083953, which consists entirely of 1's, 2's and 3's.

LINKS

Table of n, a(n) for n=0..53.

CROSSREFS

Cf. A110628, A083953.

Sequence in context: A310112 A310113 A310114 * A024401 A333709 A266252

Adjacent sequences:  A111579 A111580 A111581 * A111583 A111584 A111585

KEYWORD

nonn

AUTHOR

Paul D. Hanna, Aug 28 2005

STATUS

approved

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Last modified May 14 08:44 EDT 2021. Contains 343879 sequences. (Running on oeis4.)