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A085289 Number of sorted multiplicative partitions of n! of length n. 4
0, 0, 1, 1, 2, 2, 5, 12, 31, 31, 78, 78, 191, 418, 1220, 1220, 3015, 3015, 7889, 15413, 37012, 37012, 100559, 211426, 501520, 1157544, 2880550, 2880550, 6307387, 6307387, 17134912, 32298263, 75200323, 148928952, 359182792, 359182792 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,5

COMMENTS

If p is prime then a(p) = a(p-1). - David Wasserman, Jan 31 2005

LINKS

Table of n, a(n) for n=2..37.

Eric Weisstein's World of Mathematics, Alladi-Grinstead Constant

EXAMPLE

4! = 2*2*2*3, so a(4)=1.

6! = 2*2*2*2*5*9 = 2*2*3*3*4*5, so a(6)=2.

CROSSREFS

Cf. A085288, A085290, A085291.

Sequence in context: A143195 A192799 A181354 * A095339 A216025 A209476

Adjacent sequences:  A085286 A085287 A085288 * A085290 A085291 A085292

KEYWORD

nonn

AUTHOR

Eric W. Weisstein, Jun 23 2003

EXTENSIONS

More terms from David Wasserman, Jan 31 2005

STATUS

approved

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Last modified February 28 22:24 EST 2020. Contains 332335 sequences. (Running on oeis4.)