A248875 First n elements of the Kolakoski sequence read as a ternary number.

0, 1, 5, 17, 52, 157, 473, 1420, 4262, 12788, 38365, 115097, 345293, 1035880, 3107641, 9322925, 27968776, 83906329, 251718989, 755156969, 2265470908, 6796412726, 20389238179, 61167714538, 183503143616, 550509430849, 1651528292549, 4954584877649, 14863754632948

Offset

0,3

Links

Danny Rorabaugh, Table of n, a(n) for n = 0..6615

Eric Weisstein's World of Mathematics, Kolakoski Sequence

Eric Weisstein's World of Mathematics, Ternary

Formula

a(n+1) = 3*a(n) + A000002(n+1).

Crossrefs

Cf. A000002, A019300.

Sequence in context: A187257 A290186 A178703 * A037544 A090575 A191139

Adjacent sequences: A248872 A248873 A248874 * A248876 A248877 A248878

Keyword

nonn,base,easy

Author

Danny Rorabaugh, Mar 04 2015

Status

approved