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Search: id:A036442
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| A036442 |
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a(n) = 2^((n-1)*(n+2)/2) |
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+0 7
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| 1, 4, 32, 512, 16384, 1048576, 134217728, 34359738368, 17592186044416, 18014398509481984, 36893488147419103232, 151115727451828646838272, 1237940039285380274899124224
(list; graph; listen)
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OFFSET
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1,2
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COMMENT
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Number of redundant paths for a fault-tolerant ATM switch.
Hankel transform (see A001906 for definition ) of A001850, A006139, A084601; also Hankel transform of the sequence 1, 0, 4, 0, 24, 0, 160, 0, 1120, ... (A059304 with interpolated zeros) . - Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Jul 03 2005
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REFERENCES
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C. Lo and C. Chiu, "A Fault-Tolerant Architecture for ATM Networks," 20th IEEE Conf. Local Computer Networks, 1995, pp. 29-36
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LINKS
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P. J. Cameron, Sequences realized by oligomorphic permutation groups, J. Integ. Seqs. Vol. 3 (2000), #00.1.5.
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CROSSREFS
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Sequence in context: A093581 A102557 A118990 this_sequence A127945 A086899 A012509
Adjacent sequences: A036439 A036440 A036441 this_sequence A036443 A036444 A036445
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KEYWORD
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easy,nonn
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AUTHOR
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Abdallah Rayhan (rayhan(AT)engr.uvic.ca)
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