A343838 Describe all the previous terms (previous terms are concatenated into one large integer; method - digit-indication followed by frequency, initial term is 1).

1, 11, 13, 1431, 143111413111, 14311141311241311341113113, 14311141311241311341113114413113411131122141113112314113311231

Offset

1,2

Comments

The next term is too large to include.

Links

Table of n, a(n) for n=1..7.

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

Example

a(4) is obtained by saying "1 four times, 3 once", which gives 1431.

Crossrefs

Cf. A005150, A007651, A045981, A045982, A060857, A343837.

Sequence in context: A073765 A360277 A174831 * A360388 A096074 A288611

Adjacent sequences: A343835 A343836 A343837 * A343839 A343840 A343841

Keyword

nonn,base,easy

Author

Ilya Gutkovskiy, May 01 2021

Status

approved