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Search: id:A069777
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| A069777 |
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Triangle of q-factorial numbers n!_q, for (n,q) = (0,0), (1,0), (0,1), (2,0), etc. |
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+0
3
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| 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 6, 3, 1, 1, 1, 24, 21, 4, 1, 1, 1, 120, 315, 52, 5, 1, 1, 1, 720, 9765, 2080, 105, 6, 1, 1, 1, 5040, 615195, 251680, 8925, 186, 7, 1, 1, 1, 40320, 78129765, 91611520, 3043425, 29016, 301, 8, 1, 1
(list; table; graph; listen)
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OFFSET
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0,8
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REFERENCES
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Kent E. Morrison, Integer Sequences and Matrices Over Finite Fields, Journal of Integer Sequences, Vol. 9 (2006), Article 06.2.1.
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FORMULA
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prod_{k=1}^{k=n} {(q^k - 1) / (q - 1)}
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CROSSREFS
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Cf. A000142, A005329, A015001, A015002, A069778, A069779.
Sequence in context: A129110 A112624 A139329 this_sequence A064992 A089759 A088152
Adjacent sequences: A069774 A069775 A069776 this_sequence A069778 A069779 A069780
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KEYWORD
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easy,nonn,tabl
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AUTHOR
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Frank Adams-Watters (FrankTAW(AT)Netscape.net), Apr 07 2002
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