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Search: id:A123281
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A123281 Leading diagonal of A123260. +0
2
1, 1, 1, 5, 19, 205, 1795, 36317, 636331, 23679901, 805351531, 56294206205, 3735873535339, 502757743028605, 65725984337422795, 17309316971673776957, 4485620580863732681131 (list; graph; listen)
OFFSET

1,4

REFERENCES

R. W. Robinson, Numerical implementation of graph counting algorithms, AGRC Grant, Math. Dept., Univ. Newcastle, Australia, 1977.

LINKS

R. W. Robinson, Table of n, a(n) for n = 1..30

CROSSREFS

Sequence in context: A024529 A106991 A102262 this_sequence A135171 A058765 A067967

Adjacent sequences: A123278 A123279 A123280 this_sequence A123282 A123283 A123284

KEYWORD

nonn

AUTHOR

njas, Nov 12 2006

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Last modified August 29 17:54 EDT 2008. Contains 143238 sequences.


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