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A213454 A001253(n)/2.
(Formerly N2026)
0
0, 0, 0, 0, 1, 10, 99, 1024, 11234, 132269, 1670481, 22586759, 326104782, 5012334813, 81773199730, 1411970823695, 25734352973795, 493835621908325, 9954533195180673, 210325338388169070, 4648654469101584811, 107281499755284506084 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,6

REFERENCES

F. N. David, M. G. Kendall and D. E. Barton, Symmetric Function and Allied Tables, Cambridge, 1966, p. 262. (Terms for n>=13 are incorrect).

N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).

LINKS

Table of n, a(n) for n=1..22.

CROSSREFS

Cf. A001253.

Sequence in context: A105694 A179557 A300000 * A000456 A138365 A190823

Adjacent sequences:  A213451 A213452 A213453 * A213455 A213456 A213457

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Jun 12 2012

STATUS

approved

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Last modified September 19 17:19 EDT 2021. Contains 347564 sequences. (Running on oeis4.)