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A082876 Number of prime divisors (counted with multiplicity) of numbers of form a^m + b^m + c^m + ..., where a*b*c* ... is the prime factorization of m. 0
0, 2, 3, 5, 5, 2, 7, 9, 10, 3, 11, 1, 13, 5, 7, 18, 17, 4, 19, 3, 7, 7, 23, 3, 26, 6, 28, 3, 29, 4, 31, 33, 8, 5, 11, 6, 37, 7, 9, 3, 41, 5, 43, 5, 4, 7, 47, 5, 50, 8, 14, 7, 53, 5, 11, 4, 8, 9, 59, 4, 61, 9, 5, 66, 11, 4, 67, 7, 11, 11, 71, 7, 73 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

COMMENTS

a(2) and a(6) are semiprime. Where is the next?

CROSSREFS

Cf. A082813, A082814.

Sequence in context: A111631 A118141 A175210 * A096099 A019780 A133293

Adjacent sequences:  A082873 A082874 A082875 * A082877 A082878 A082879

KEYWORD

more,nonn

AUTHOR

Jason Earls (zevi_35711(AT)yahoo.com), May 25 2003

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Last modified February 17 04:58 EST 2012. Contains 205985 sequences.