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Search: id:A022278
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| 0, 10, 41, 93, 166, 260, 375, 511, 668, 846, 1045, 1265, 1506, 1768, 2051, 2355, 2680, 3026, 3393, 3781, 4190, 4620, 5071, 5543, 6036, 6550, 7085, 7641, 8218, 8816, 9435, 10075, 10736, 11418, 12121
(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)=21*n+a(n-1)-32 (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)=21*2+0-32=10; n=3, a(3)=21*3+10-32=41; n=4, a(4)=21*4+41-32=93 [From Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Nov 13 2009]
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CROSSREFS
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Sequence in context: A012868 A016082 A003355 this_sequence A006323 A102784 A061003
Adjacent sequences: A022275 A022276 A022277 this_sequence A022279 A022280 A022281
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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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