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 A319715 Sum of A276150(d) over divisors d of n, where A276150 gives the sum of digits in primorial base. 6
 1, 2, 3, 4, 4, 5, 3, 6, 6, 8, 5, 9, 4, 7, 10, 10, 6, 11, 5, 14, 10, 11, 7, 15, 9, 10, 12, 15, 8, 16, 3, 12, 10, 10, 10, 17, 4, 9, 10, 20, 6, 18, 5, 17, 18, 13, 7, 23, 8, 18, 14, 18, 8, 22, 14, 23, 14, 16, 9, 26, 4, 7, 17, 16, 12, 20, 5, 16, 14, 22, 7, 27, 6, 10, 21, 17, 14, 22, 7, 30, 19, 14, 9, 34, 16, 13, 18, 27, 10, 30, 10, 19, 10 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Inverse Möbius transform of A276150. LINKS Antti Karttunen, Table of n, a(n) for n = 1..30030 Index entries for sequences related to primorial base FORMULA a(n) = Sum_{d|n} A276150(d). a(n) = A319713(n) + A276150(n). PROG (PARI) A276150(n) = { my(s=0, p=2, d); while(n, d = (n%p); s += d; n = (n-d)/p; p = nextprime(1+p)); (s); }; A319715(n) = sumdiv(n, d, A276150(d)); CROSSREFS Cf. A276150, A319712, A319713. Sequence in context: A065852 A303998 A319712 * A088807 A036371 A036370 Adjacent sequences: A319712 A319713 A319714 * A319716 A319717 A319718 KEYWORD nonn AUTHOR Antti Karttunen, Oct 02 2018 STATUS approved

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Last modified October 1 13:52 EDT 2023. Contains 365826 sequences. (Running on oeis4.)