A248875 - OEIS

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A248875

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

1

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

(list; graph; refs; listen; history; text; internal format)

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