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Search: id:A022277
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| 0, 10, 39, 87, 154, 240, 345, 469, 612, 774, 955, 1155, 1374, 1612, 1869, 2145, 2440, 2754, 3087, 3439, 3810, 4200, 4609, 5037, 5484, 5950, 6435, 6939, 7462, 8004, 8565, 9145, 9744, 10362, 10999, 11655
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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)-28 (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)=19*2+0-28=10; n=3, a(3)=19*3+10-28=39; n=4, a(4)=19*4+39-28=87 [From Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Nov 13 2009]
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CROSSREFS
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Sequence in context: A164298 A050479 A156674 this_sequence A059722 A074225 A055514
Adjacent sequences: A022274 A022275 A022276 this_sequence A022278 A022279 A022280
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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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