A031111 Write the (n+1)st Fibonacci number in base 9 and juxtapose.

1, 2, 3, 5, 8, 1, 4, 2, 3, 3, 7, 6, 1, 1, 0, 8, 1, 7, 0, 2, 7, 8, 4, 5, 8, 7, 4, 7, 1, 3, 1, 6, 2, 1, 6, 4, 3, 4, 8, 1, 5, 6, 5, 5, 1, 0, 2, 4, 6, 1, 6, 0, 1, 2, 2, 6, 2, 5, 8, 4, 3, 2, 7, 1, 7, 0, 5, 4, 0, 1, 2, 3, 8, 2, 1, 2, 0, 4, 4, 6, 1, 3, 2, 8, 3, 8, 2, 5, 3, 3

Offset

1,2

Links

Marius A. Burtea, Table of n, a(n) for n = 1..1012 [truncated to Fib(95) by Georg Fischer, Jun 21 2019]

Example

A004692(25..28) = 123821, 204461, 328382, 533853. - Georg Fischer, Jun 21 2019

Mathematica

Flatten[IntegerDigits[#, 9]&/@Fibonacci[Range[30]]] (* Harvey P. Dale, Jan 13 2024 *)

Prog

(Magma) &cat[Reverse(Intseq(Fibonacci(k), 9)):k in [2..28]]; // Marius A. Burtea, Jun 21 2019

Crossrefs

Cf. A004692 (Fibonacci numbers written in base 9).

Similar sequences in base 3 (A030363), 4 (A030413), 6 (A030604), 7 (A031027), 8 (A031067), 5 (A031269).

Sequence in context: A226251 A093086 A093092 * A089911 A098978 A111301

Adjacent sequences: A031108 A031109 A031110 * A031112 A031113 A031114

Keyword

nonn,base,easy,less

Author

Clark Kimberling

Extensions

a(88)-a(90) corrected by Georg Fischer, Jun 21 2019

Status

approved