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A108642 18 - 129*n/2 + 601*n^2/4 - 66*n^3 + 33*n^4/4. 0
18, 46, 94, 63, 52, 358, 1476, 4099, 9118, 17622, 30898, 50431, 77904, 115198, 164392, 227763, 307786, 407134, 528678, 675487, 850828, 1058166, 1301164, 1583683, 1909782, 2283718, 2709946, 3193119, 3738088, 4349902, 5033808, 5795251, 6639874, 7573518 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..33.

CROSSREFS

Sequence in context: A075284 A057444 A130414 * A250784 A250731 A353209

Adjacent sequences: A108639 A108640 A108641 * A108643 A108644 A108645

KEYWORD

nonn

AUTHOR

Hans en Els Verdonk, (hverdonk32(AT)zonnet.nl), Jul 07 2005

STATUS

approved

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Last modified February 1 15:00 EST 2023. Contains 359993 sequences. (Running on oeis4.)