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Search: id:A022276
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| 0, 9, 37, 84, 150, 235, 339, 462, 604, 765, 945, 1144, 1362, 1599, 1855, 2130, 2424, 2737, 3069, 3420, 3790, 4179, 4587, 5014, 5460, 5925, 6409, 6912, 7434, 7975, 8535, 9114, 9712, 10329, 10965, 11620, 12294
(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)=19*n+a(n-1)-29 (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 n02, a(2)=19*2+0-29=9; n=3, a(3)=19*3+9-29=37; n=4, a(4)=19*4+37-29=84 [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++ +9; AppendTo[lst, s], {n, 0, 8!, 19}]; lst [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Nov 17 2008]
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CROSSREFS
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Sequence in context: A042021 A137184 A153244 this_sequence A165394 A026620 A048878
Adjacent sequences: A022273 A022274 A022275 this_sequence A022277 A022278 A022279
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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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