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A318472 Multiplicative with a(p^e) = 2^A000045(e). 4
1, 2, 2, 2, 2, 4, 2, 4, 2, 4, 2, 4, 2, 4, 4, 8, 2, 4, 2, 4, 4, 4, 2, 8, 2, 4, 4, 4, 2, 8, 2, 32, 4, 4, 4, 4, 2, 4, 4, 8, 2, 8, 2, 4, 4, 4, 2, 16, 2, 4, 4, 4, 2, 8, 4, 8, 4, 4, 2, 8, 2, 4, 4, 256, 4, 8, 2, 4, 4, 8, 2, 8, 2, 4, 4, 4, 4, 8, 2, 16, 8, 4, 2, 8, 4, 4, 4, 8, 2, 8, 4, 4, 4, 4, 4, 64, 2, 4, 4, 4, 2, 8, 2, 8, 8 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Antti Karttunen, Table of n, a(n) for n = 1..16384

Index entries for sequences computed from exponents in factorization of n

FORMULA

a(n) = 2^A318471(n).

PROG

(PARI) A318472(n) = factorback(apply(e -> 2^fibonacci(e), factor(n)[, 2]));

CROSSREFS

Cf. A000045, A318471, A318474.

Sequence in context: A318307 A331109 A286324 * A186643 A286575 A270438

Adjacent sequences:  A318469 A318470 A318471 * A318473 A318474 A318475

KEYWORD

nonn,mult

AUTHOR

Antti Karttunen, Aug 29 2018

STATUS

approved

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Last modified January 28 10:02 EST 2020. Contains 331319 sequences. (Running on oeis4.)