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A336879 a(n) is the product of the decimal digits of A336876(n). 2
0, 1, 2, 3, 1, 4, 2, 5, 6, 3, 2, 7, 4, 8, 5, 9, 4, 3, 6, 1, 7, 6, 8, 4, 9, 8, 2, 2, 10, 5, 9, 12, 8, 3, 6, 14, 3, 12, 2, 16, 4, 4, 7, 12, 10, 18, 15, 4, 5, 18, 6, 16, 6, 12, 5, 21, 6, 15, 9, 4, 4, 20, 24, 3, 8, 6, 8, 14, 27, 9, 20, 24, 1, 18, 8, 9, 10, 6, 16 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Rémy Sigrist, Table of n, a(n) for n = 1..10000

Rémy Sigrist, C program for A336879

FORMULA

a(n) = A007954(A336876(n)).

a(n) * A336876(n) = A336826(n).

EXAMPLE

For n = 26:

- A336876(26) = 24,

- so a(26) = 2*4 = 8.

PROG

(C) See Links section.

CROSSREFS

Cf. A007954, A336826, A336876.

Sequence in context: A026276 A152201 A265579 * A340313 A120873 A125161

Adjacent sequences:  A336876 A336877 A336878 * A336880 A336881 A336882

KEYWORD

nonn,look,base

AUTHOR

Rémy Sigrist, Aug 06 2020

STATUS

approved

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Last modified April 16 05:20 EDT 2021. Contains 343030 sequences. (Running on oeis4.)