[seqfan] version 1 or 2?

юрий герасимов 2stepan at rambler.ru
Sat Sep 26 08:25:20 CEST 2015


.Dear SeqFans, 

version 1: number of nonprime diviisors d | n such that n/d is prime: 0, 1, 1, 0, 1, 0, 1, 1, 0, 0, 1, 2, 1, 0, 0, 1, 1, 2, 1, 2, 0, 0, 1, 2, 0, 0, 1, 2, 1, 3, 1, 1, 0, 0, 0, 2, 1, 0, 0, 2, 1, 3, 1, 2, 2, 0, 1, 2, 0, 2, ...

version 2: number of nonprime divisors d | n such that n/d is noncomposite: 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 3, 1, 1, 1, 2, 1, 3, 1, 3, 1, 1, 1, 3, 1, 1, 2, 3, 1, 4, 1, 2, 1, 1, 1, 3, 1, 1, 1, 3, 1, 4, 1, 3, 3, 1, 1, 3, 1, 3 ...

Which version is suitable for OEIS?

Thanks. JSG


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