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A047661 Row 5 of square array defined in A047662. 1
5, 30, 115, 340, 841, 1826, 3591, 6536, 11181, 18182, 28347, 42652, 62257, 88522, 123023, 167568, 224213, 295278, 383363, 491364, 622489, 780274, 968599, 1191704, 1454205, 1761110, 2117835, 2530220, 3004545, 3547546 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..30.

FORMULA

n/15 * (2n^4 + 5n^3 + 20n^2 + 25 + 23).

CROSSREFS

Sequence in context: A030506 A062990 A018213 * A000649 A027173 A286973

Adjacent sequences:  A047658 A047659 A047660 * A047662 A047663 A047664

KEYWORD

nonn

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified October 16 10:09 EDT 2018. Contains 316262 sequences. (Running on oeis4.)