login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A031273
Position of n-th 3 in A031269.
0
3, 7, 9, 18, 23, 28, 29, 44, 49, 54, 62, 64, 72, 74, 89, 90, 100, 104, 105, 112, 113, 117, 127, 133, 138, 140, 147, 166, 168, 175, 180, 181, 184, 186, 187, 191, 195, 209, 216, 220, 228, 229, 242, 246, 249, 253, 256, 272, 276, 277
OFFSET
1,1
MATHEMATICA
Position[Flatten[Table[IntegerDigits[Fibonacci[n+1], 5], {n, 50}]], 3]//Flatten (* Harvey P. Dale, Oct 10 2024 *)
CROSSREFS
Sequence in context: A036976 A230116 A361005 * A140118 A191106 A324699
KEYWORD
nonn
STATUS
approved