OFFSET
1,3
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..235 (terms 1..118 from T. D. Noe, calculated by E. R. Canfield et al.)
E. R. Canfield, P. Erdős, C. Pomerance, On a problem of Oppenheim concerning Factorisatio Numerorum, J. Number Theory 17 (1983) 1-28, Table 1, column "number of factorizations" - 1.
CROSSREFS
KEYWORD
nonn
AUTHOR
EXTENSIONS
0 term prepended and sequence extended by T. D. Noe, May 18 2012
STATUS
approved