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A162257 Row sums from A155550 0
-2, 7, 33, 82, 160, 273, 427, 628, 882, 1195, 1573, 2022, 2548, 3157, 3855, 4648, 5542, 6543, 7657, 8890, 10248, 11737, 13363, 15132, 17050, 19123, 21357, 23758, 26332, 29085, 32023, 35152, 38478, 42007, 45745, 49698, 53872, 58273, 62907, 67780 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

FORMULA

Row sum: sum_(n=1...m) T(m,n)=(2*m^3+5*m^2-11*m)/2

EXAMPLE

For m= 1 -4/2=-2; m=2, 14/2=7; m=3, 66/2=33

CROSSREFS

Cf. A155550

Sequence in context: A112006 A067551 A080119 * A055724 A054727 A086618

Adjacent sequences:  A162254 A162255 A162256 * A162258 A162259 A162260

KEYWORD

sign

AUTHOR

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

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Last modified February 13 10:39 EST 2012. Contains 205459 sequences.