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Search: id:A100506
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| 1, 4, 15, 47, 130, 330, 784, 1765, 3804, 7898, 15880, 31048, 59220, 110484, 202070, 362974, 641368, 1116325, 1916184, 3247088, 5436972, 9002752, 14752316, 23938188, 38487496, 61344055, 96974176, 152110204, 236837795, 366177506
(list; graph; listen)
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OFFSET
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0,2
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MAPLE
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seq(coeff(convert(series(add(-(-1)^k*x^(k*(k+1)/2), k=1..100)/(mul(1-x^k, k=1..100))^2, x, 100), polynom), x, 2*n+1), n=0..45); (C. Ronaldo)
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CROSSREFS
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Adjacent sequences: A100503 A100504 A100505 this_sequence A100507 A100508 A100509
Sequence in context: A062827 A074448 A111038 this_sequence A093967 A052201 A099167
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KEYWORD
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nonn,easy
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AUTHOR
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njas, Nov 24 2004
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EXTENSIONS
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More terms from C. Ronaldo (aga_new_ac(AT)hotmail.com), Jan 19 2005
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