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A014994
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q-integers for q=-12.
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10
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1, -11, 133, -1595, 19141, -229691, 2756293, -33075515, 396906181, -4762874171, 57154490053, -685853880635, 8230246567621, -98762958811451, 1185155505737413, -14221866068848955, 170662392826187461
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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FORMULA
| a(n) = a(n-1) + q^(n-1) = (q^n - 1) / (q - 1)
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MAPLE
| a:=n->sum ((-12)^j, j=0..n): seq(a(n), n=0..25); # [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Dec 16 2008]
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PROG
| (Other) sage: [gaussian_binomial(n, 1, -12) for n in xrange(1, 18)] # [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), May 28 2009]
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CROSSREFS
| A077925, A014983, A014985, A014986, A014987, A014989, A014990, A014991, A014992, A014993 [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Dec 16 2008]
Sequence in context: A196731 A051431 * A015609 A157773 A024143 A057718
Adjacent sequences: A014991 A014992 A014993 * A014995 A014996 A014997
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KEYWORD
| sign,easy
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AUTHOR
| Olivier Gerard (olivier.gerard(AT)gmail.com)
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