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 A261607 Initial digit of Fibonacci number F(n) in base 60. 4
 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 1, 2, 3, 6, 10, 16, 26, 43, 1, 1, 3, 4, 7, 12, 20, 33, 54, 1, 2, 3, 6, 10, 16, 26, 42, 1, 1, 3, 4, 7, 12, 20, 33, 54, 1, 2, 3, 6, 10, 16, 26, 42, 1, 1, 2, 4, 7, 12, 20, 33, 53, 1, 2, 3, 6, 9, 16, 25, 42, 1, 1, 2, 4, 7, 12 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,4 LINKS Alois P. Heinz, Table of n, a(n) for n = 0..10000 (first 1001 terms from Reinhard Zumkeller) Eric Weisstein's World of Mathematics, Sexagesimal Wikipedia, Sexagesimal FORMULA a(n) = A261575(n,A261585(n)-1). MATHEMATICA IntegerDigits[Fibonacci[Range[0, 75]], 60][[All, 1]] (* Michael De Vlieger, Jan 22 2022 *) PROG (Haskell) a261607 = last . a261575_row (PARI) a(n) = if (n, digits(fibonacci(n), 60)[1], 0); \\ Michel Marcus, Jan 22 2022 CROSSREFS Cf. A000045, A261575, A261585, A261606, A008963. Sequence in context: A023439 A147660 A013987 * A261575 A261606 A261598 Adjacent sequences:  A261604 A261605 A261606 * A261608 A261609 A261610 KEYWORD nonn,look,base AUTHOR Reinhard Zumkeller, Sep 09 2015 STATUS approved

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Last modified June 30 12:41 EDT 2022. Contains 354939 sequences. (Running on oeis4.)