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A108467 a(n) = A108466(A025487). 1
1, 1, 2, 3, 4, 11, 9, 35, 25, 20, 55, 106, 132, 45, 222, 303, 566, 100, 808, 918, 827, 339, 1086, 2128, 220, 2682, 4790, 2173, 2453, 4561, 7269, 478, 8335, 21093, 5515, 13223, 17135, 7997, 23079, 1025, 29229, 24503, 22165, 21597, 82298, 13595, 59613, 59196 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

Number of factorizations of (n,n) into pairs (i,j) by prime signature.

LINKS

Table of n, a(n) for n=0..47.

CROSSREFS

Cf. A108460.

Sequence in context: A075833 A265904 A117351 * A265565 A265549 A084544

Adjacent sequences:  A108464 A108465 A108466 * A108468 A108469 A108470

KEYWORD

nonn

AUTHOR

Christian G. Bower, Jun 03 2005

EXTENSIONS

More terms from David Wasserman, May 19 2008

STATUS

approved

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Last modified October 19 13:01 EDT 2019. Contains 328222 sequences. (Running on oeis4.)