The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A253677 Product of decimal digits of n-th term of the Look and Say sequence A005150. 2
 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

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified January 24 22:09 EST 2021. Contains 340414 sequences. (Running on oeis4.)