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A162261 Row sums from A155724 0
0, 11, 39, 90, 170, 285, 441, 644, 900, 1215, 1595, 2046, 2574, 3185, 3885, 4680, 5576, 6579, 7695, 8930, 10290, 11781, 13409, 15180, 17100, 19175, 21411, 23814, 26390, 29145, 32085, 35216, 38544, 42075, 45815, 49770, 53946, 58349, 62985, 67860 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

FORMULA

Rows sum: sum_(n=1...m) T(m,n)=(2*m^3+5*m^2-7*m)/2

EXAMPLE

For m=1, 0; m=2, 22/2=11; m=3, 78/2=39

CROSSREFS

Cf. A155724

Sequence in context: A133258 A103738 A045801 * A004188 A163634 A173373

Adjacent sequences:  A162258 A162259 A162260 * A162262 A162263 A162264

KEYWORD

nonn

AUTHOR

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

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Last modified February 16 14:37 EST 2012. Contains 205930 sequences.