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

Author

Clark Kimberling

Keywords

• nonn
• base
• easy
• less

Examples

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

Links

• Marius A. Burtea, Table of n, a(n) for n = 1..1012 [truncated to Fib(95) by _Georg Fischer_, 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).

Programs

Magma

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

Mathematica

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

Extensions

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