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A092300
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2*5^(n^2+2n+1)*Product_{j=1..n} (25^j-1).
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7
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10, 30000, 58500000000, 71406562500000000000, 54478744277343750000000000000000, 25977486943588417053222656250000000000000000000, 7741894375438878098811060190200805664062500000000000000000000000, 1442040200190701731357565969692841463256627321243286132812500000000000000000000000000
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,1
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COMMENTS
| The order of the p-Clifford group for an odd prime p is a*p^(n^2+2n+1)*Product_{j=1..n} (p^(2*j)-1), where a = gcd(p+1,4).
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LINKS
| G. Nebe, E. M. Rains and N. J. A. Sloane, Self-Dual Codes and Invariant Theory, Springer, Berlin, 2006.
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CROSSREFS
| Cf. A001309, A003956.
Cf. A092299 and A092301 (p=3), A092300 and A089989 (p=5), A090768 and A090769 (p=7), A090770 (p=2, although this is the wrong formula in that case).
Sequence in context: A203695 A181017 A055321 * A048916 A055310 A048832
Adjacent sequences: A092297 A092298 A092299 * A092301 A092302 A092303
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KEYWORD
| nonn
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com), Feb 10 2004
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