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A162256 (2n^3 + 5n^2 - 3n)/2. 1
2, 15, 45, 98, 180, 297, 455, 660, 918, 1235, 1617, 2070, 2600, 3213, 3915, 4712, 5610, 6615, 7733, 8970, 10332, 11825, 13455, 15228, 17150, 19227, 21465, 23870, 26448, 29205, 32147, 35280, 38610, 42143, 45885, 49842, 54020, 58425, 63063, 67940 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

Row sums from A154680.

LINKS

Index to sequences with linear recurrences with constant coefficients, signature (4,-6,4,-1).

PROG

(PARI) n*(5*n-3)/2+n^3 \\ Charles R Greathouse IV, Jan 11 2012

CROSSREFS

Sequence in context: A032016 A001007 A152015 * A041719 A133777 A025213

Adjacent sequences:  A162253 A162254 A162255 * A162257 A162258 A162259

KEYWORD

nonn,easy

AUTHOR

Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Jun 29 2009

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Last modified February 15 16:28 EST 2012. Contains 205823 sequences.