A253677 Product of decimal digits of n-th term of the Look and Say sequence A005150.

1, 1, 2, 2, 4, 12, 24, 36, 216, 1296, 62208, 746496, 107495424, 46438023168, 240734712102912, 8423789045905096704, 5589622068988418728132608, 133524176512370516060034538930176, 581306137722148449693374999786222908342272

Offset: 1

Author

Fabian Nedic, Jan 08 2015

Keywords

• nonn
• base

Examples

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

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

Crossrefs

Cf. A004977, A007954.

Formula

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