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Search: id:A135631
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| 0, 31, 62, 93, 124, 155, 186, 217, 248, 279, 310, 341, 372, 403, 434, 465, 496, 527, 558, 589, 620, 651, 682, 713, 744, 775, 806, 837, 868, 899, 930, 961, 992, 1023, 1054, 1085, 1116, 1147, 1178, 1209, 1240, 1271, 1302, 1333, 1364, 1395
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OFFSET
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0,2
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COMMENT
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a(1)=31 is the third Mersenne prime. a(8)=248 is the dimensions of E_8. a(16)=496 is the third perfect number.
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FORMULA
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a(n)=31*n.
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EXAMPLE
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a(8)=31*8=248. a(16)=31*16=496.
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MAPLE
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with(numtheory):a:=proc(n) if n=0 then 0 else mcombine(7*n, 3*n, 5*n, 11*n) fi end: seq(a(n), n=0..45); - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Apr 11 2008
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CROSSREFS
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Adjacent sequences: A135628 A135629 A135630 this_sequence A135632 A135633 A135634
Sequence in context: A040930 A115809 A037982 this_sequence A042906 A042904 A042902
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KEYWORD
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easy,nonn
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AUTHOR
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Omar E. Pol (info(AT)polprimos.com), Nov 25 2007
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