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Search: id:A033572
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| 1, 24, 75, 154, 261, 396, 559, 750, 969, 1216, 1491, 1794, 2125, 2484, 2871, 3286, 3729, 4200, 4699, 5226, 5781, 6364, 6975, 7614, 8281, 8976, 9699, 10450, 11229, 12036, 12871, 13734, 14625, 15544, 16491
(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)=28*n+a(n-1)-33 (with a(1)=1) [From Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Nov 17 2009]
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EXAMPLE
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For n=2, a(2)=28*2+1-33=24; n=3, a(3)=28*3+24-33=75; n=4, a(4)=28*4+75-33=154 [From Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Nov 17 2009]
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CROSSREFS
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Sequence in context: A042132 A042134 A045249 this_sequence A048352 A144459 A124140
Adjacent sequences: A033569 A033570 A033571 this_sequence A033573 A033574 A033575
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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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