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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
OFFSET
1,3
LINKS
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
KEYWORD
nonn,look,base
AUTHOR
Rémy Sigrist, Aug 06 2020
STATUS
approved