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A318306 Additive with a(p^e) = A002487(e). 4
0, 1, 1, 1, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 2, 1, 1, 2, 1, 2, 2, 2, 1, 3, 1, 2, 2, 2, 1, 3, 1, 3, 2, 2, 2, 2, 1, 2, 2, 3, 1, 3, 1, 2, 2, 2, 1, 2, 1, 2, 2, 2, 1, 3, 2, 3, 2, 2, 1, 3, 1, 2, 2, 2, 2, 3, 1, 2, 2, 3, 1, 3, 1, 2, 2, 2, 2, 3, 1, 2, 1, 2, 1, 3, 2, 2, 2, 3, 1, 3, 2, 2, 2, 2, 2, 4, 1, 2, 2, 2, 1, 3, 1, 3, 3 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,6

LINKS

Antti Karttunen, Table of n, a(n) for n = 1..65537

Index entries for sequences computed from exponents in factorization of n

FORMULA

a(n) = A007814(A318307(n)).

PROG

(PARI)

A002487(n) = { my(a=1, b=0); while(n>0, if(bitand(n, 1), b+=a, a+=b); n>>=1); (b); }; \\ From A002487

A318306(n) = vecsum(apply(e -> A002487(e), factor(n)[, 2]));

CROSSREFS

Cf. A002487, A318307.

Cf. also A046644.

Sequence in context: A305832 A058061 A064547 * A214715 A244145 A086435

Adjacent sequences:  A318303 A318304 A318305 * A318307 A318308 A318309

KEYWORD

nonn

AUTHOR

Antti Karttunen, Aug 29 2018

STATUS

approved

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Last modified May 25 15:19 EDT 2019. Contains 323570 sequences. (Running on oeis4.)