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A253677 Product of decimal digits of n-th term of the Look and Say sequence A005150. 1
1, 1, 2, 2, 4, 12, 24, 36, 216, 1296, 62208, 746496, 107495424, 46438023168, 240734712102912, 8423789045905096704, 5589622068988418728132608, 133524176512370516060034538930176, 581306137722148449693374999786222908342272 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Alois P. Heinz, Table of n, a(n) for n = 1..30

Eric Weisstein's World of Mathematics, Look and Say Sequence

Wikipedia, Look-and-Say sequence

FORMULA

a(n) = A007954(A005150(n)).

EXAMPLE

a(5) = A007954(A005150(5)) = A007954(111221) = 4.

CROSSREFS

Cf. A004977, A007954.

Sequence in context: A019225 A002840 A298477 * A182894 A286410 A285611

Adjacent sequences:  A253674 A253675 A253676 * A253678 A253679 A253680

KEYWORD

nonn,base

AUTHOR

Fabian Nedic, Jan 08 2015

STATUS

approved

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Last modified August 11 04:03 EDT 2020. Contains 336421 sequences. (Running on oeis4.)