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A005462 Number of simplices in barycentric subdivision of n-simplex.
(Formerly M5225)
2
1, 31, 602, 10206, 166824, 2739240, 46070640, 801496080, 14495120640, 273158645760, 5368729766400, 110055327782400, 2351983118284800 (list; graph; refs; listen; history; text; internal format)
OFFSET

3,2

REFERENCES

R. Austin, R. K. Guy, and R. Nowakowski, unpublished notes, circa 1987.

R. K. Guy, personal communication.

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

LINKS

Table of n, a(n) for n=3..15.

R. Austin, R. K. Guy, & R. Nowakowski, Unpublished notes, 1987

FORMULA

Essentially Stirling numbers of second kind - see A028246.

CROSSREFS

Sequence in context: A240420 A022755 A003533 * A028201 A028184 A215794

Adjacent sequences:  A005459 A005460 A005461 * A005463 A005464 A005465

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified June 20 09:27 EDT 2019. Contains 324234 sequences. (Running on oeis4.)