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A010026 Triangle read by rows: number of permutations of 1..n by length of longest run. +0
1
2, 2, 4, 2, 12, 10, 2, 16, 70, 32, 2, 20, 134, 442, 122, 2, 24, 198, 1164, 3108, 544, 2, 28, 274, 2048, 10982, 24216, 2770, 2, 32, 362, 3204, 22468, 112354, 208586, 15872, 2, 36, 462, 4720, 39420, 264538 (list; table; graph; listen)
OFFSET

2,1

REFERENCES

F. N. David, M. G. Kendall and D. E. Barton, Symmetric Function and Allied Tables, Cambridge, 1966, p. 262.

CROSSREFS

Sequence in context: A111793 A064482 A067228 this_sequence A059427 A126984 A159749

Adjacent sequences: A010023 A010024 A010025 this_sequence A010027 A010028 A010029

KEYWORD

tabl,nonn,nice

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.


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