OFFSET
1,1
COMMENTS
EXAMPLE
a(1)=5 because 8=2*4.
CROSSREFS
Cf. A000040(the primes), A001477(the nonnegative numbers), A003627(the generalized non-cuban primes), A007645(the generalized cuban primes), A141468 (the nonnegative nonprimes), A171715 (the differences between generalized cuban and non-cuban primes), A173073 (the differences between nonnegative nonprimes and nonnegative numbers).
KEYWORD
nonn
AUTHOR
Juri-Stepan Gerasimov, Feb 09 2010
EXTENSIONS
Terms from 100 up to 1476 from R. J. Mathar, May 02 2010
STATUS
approved