1,2

Inverse MÃ¶bius transform of A276150.

Antti Karttunen, Table of n, a(n) for n = 1..30030

Index entries for sequences related to primorial base

a(n) = Sum_{d|n} A276150(d).

a(n) = A319713(n) + A276150(n).

(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));

Cf. A276150, A319712, A319713.

Sequence in context: A065852 A303998 A319712 * A088807 A036371 A036370

Adjacent sequences: A319712 A319713 A319714 * A319716 A319717 A319718

nonn

Antti Karttunen, Oct 02 2018

approved