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A166700 Totally multiplicative sequence with a(p) = a(p-1) + 3 for prime p. 0
1, 4, 7, 16, 19, 28, 31, 64, 49, 76, 79, 112, 115, 124, 133, 256, 259, 196, 199, 304, 217, 316, 319, 448, 361, 460, 343, 496, 499, 532, 535, 1024, 553, 1036, 589, 784, 787, 796, 805, 1216, 1219, 868, 871, 1264, 931, 1276, 1279, 1792, 961, 1444 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..50.

FORMULA

Multiplicative with a(p^e) = (a(p-1)+3)^e. If n = Product p(k)^e(k) then a(n) = Product (a(p(k)-1)+3)^e(k).

CROSSREFS

Sequence in context: A018887 A059014 A255650 * A266532 A160715 A160120

Adjacent sequences:  A166697 A166698 A166699 * A166701 A166702 A166703

KEYWORD

nonn,mult

AUTHOR

Jaroslav Krizek, Oct 18 2009

STATUS

approved

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Last modified March 20 07:27 EDT 2019. Contains 321345 sequences. (Running on oeis4.)