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Search: id:A162259
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A162259 Row sums from A155551 +0
1
-5, 1, 24, 70, 145, 255, 406, 604, 855, 1165, 1540, 1986, 2509, 3115, 3810, 4600, 5491, 6489, 7600, 8830, 10185, 11671, 13294, 15060, 16975, 19045, 21276, 23674, 26245, 28995, 31930, 35056, 38379, 41905, 45640, 49590, 53761, 58159, 62790, 67660 (list; graph; listen)
OFFSET

1,1

FORMULA

Row sum: sum_(n=1...m) T(m,n)=(2*m^3+5*m^2-17*m)/2

EXAMPLE

For m=1, -10/2=-5; m=2, 2/2=1; m=3, 48/2=24

CROSSREFS

Cf. A155551

Sequence in context: A147476 A146675 A123967 this_sequence A077195 A038243 A075500

Adjacent sequences: A162256 A162257 A162258 this_sequence A162260 A162261 A162262

KEYWORD

sign

AUTHOR

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

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Last modified December 20 16:54 EST 2009. Contains 171081 sequences.


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