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 A093993 Number of divisors of n with a prime digital sum. 0
 0, 1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 3, 0, 3, 2, 2, 0, 2, 0, 3, 3, 2, 1, 3, 2, 1, 1, 3, 1, 4, 0, 3, 2, 2, 2, 3, 0, 2, 1, 3, 1, 5, 1, 2, 2, 2, 1, 4, 2, 4, 1, 2, 0, 2, 2, 4, 1, 3, 0, 6, 1, 1, 3, 3, 2, 3, 1, 2, 2, 5, 0, 3, 0, 2, 3, 3, 2, 2, 0, 4, 1, 2, 1, 6, 2, 2, 2, 2, 1, 4, 1, 3, 1, 3, 1, 5, 0, 5, 2, 5, 1, 4, 0, 3, 4 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,6 LINKS Table of n, a(n) for n=1..105. EXAMPLE a(12)=3 because the divisors of 12 are: [1, 2, 3, 4, 6, 12] and 2, 3 and 1+2=3 are primes. a(98)=5 because the divisors of 98 are: [1, 2, 7, 14, 49, 98] and 2, 7, 1+4=5, 4+9=13 and 9+8=17 are primes. CROSSREFS Sequence in context: A002951 A331287 A365105 * A193073 A228100 A211992 Adjacent sequences: A093990 A093991 A093992 * A093994 A093995 A093996 KEYWORD base,easy,nonn AUTHOR Jason Earls, May 24 2004 STATUS approved

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Last modified October 1 13:38 EDT 2023. Contains 365826 sequences. (Running on oeis4.)