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Search: id:A022272
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| 0, 7, 29, 66, 118, 185, 267, 364, 476, 603, 745, 902, 1074, 1261, 1463, 1680, 1912, 2159, 2421, 2698, 2990, 3297, 3619, 3956, 4308, 4675, 5057, 5454, 5866, 6293, 6735, 7192, 7664, 8151, 8653, 9170, 9702
(list; graph; listen)
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OFFSET
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0,2
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FORMULA
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a(n)=15*n+a(n-1)-23 (with a(1)=0) [From Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Nov 13 2009]
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EXAMPLE
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For n=2, a(2)=15*2+0-23=7; n=3, a(3)=15*3+7-23=29; n=4, a(4)=15*4+29-23=66 [From Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Nov 13 2009]
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MATHEMATICA
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s=0; lst={s}; Do[s+=n++ +7; AppendTo[lst, s], {n, 0, 8!, 15}]; lst [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Nov 16 2008]
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CROSSREFS
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Sequence in context: A005698 A080185 A041621 this_sequence A141854 A079796 A114043
Adjacent sequences: A022269 A022270 A022271 this_sequence A022273 A022274 A022275
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KEYWORD
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nonn,new
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com).
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