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 A000202 a(8i+j) = 13i + a(j), where 1<=j<=8. (Formerly M2323 N0918) 1
 1, 3, 4, 6, 8, 9, 11, 12, 14, 16, 17, 19, 21, 22, 24, 25, 27, 29, 30, 32, 34, 35, 37, 38, 40, 42, 43, 45, 47, 48, 50, 51, 53, 55, 56, 58, 60, 61, 63, 64, 66, 68, 69, 71, 73, 74, 76, 77, 79, 81, 82, 84, 86, 87, 89, 90, 92, 94, 95, 97, 99, 100, 102, 103, 105, 107, 108, 110 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 REFERENCES N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence). N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence). LINKS Michael De Vlieger, Table of n, a(n) for n = 1..10000 James F. Peters, Problem H-327, Advanced Problems and Solutions, The Fibonacci Quarterly, Vol. 19, No. 2 (1981), p. 189; Are You Curious?, Solution to Problem H-327 by Paul S. Bruckman, ibid., Vol. 20, No. 4 (1982), pp. 373-375. D. E. Thoro, Problem H-12, Advanced Problems and Solutions, The Fibonacci Quarterly, Vol. 1, No. 2 (1963), p. 54; A Curious Sequence, Solution to Problem H-12 by Malcolm Tallman, ibid., Vol. 1, No. 4 (1963), p. 50. Index entries for linear recurrences with constant coefficients, signature (1,0,0,0,0,0,0,1,-1). FORMULA a(n) = floor((13*n - 1)/8). - Jon E. Schoenfield, Aug 21 2022 a(Fibonacci(n)-1) = Fibonacci(n+1) - 2, for n>=6 (Peters, 1981). - Amiram Eldar, Jan 27 2022 MAPLE a[0] := 0:a[1] := 1:a[2] := 3:a[3] := 4:a[4] := 6:a[5] := 8:a[6] := 9:a[7] := 11:a[8] := 12: for m from 9 to 200 do if irem(m, 8)=0 then myrem := 8; myquo := iquo(m, 8)-1; else myrem := irem(m, 8); myquo := iquo(m, 8) fi; a[m] := 13*myquo +a[myrem] od: for k from 1 to 200 do printf(`%a, `, a[k]) od: # James A. Sellers, May 29 2000 MATHEMATICA Set[#, {1, 3, 4, 6, 8, 9, 11, 12}] &@ Map[a[#] &, Range[0, 7]]; a[n_] := a[n] = 13 #1 + a[#2] & @@ QuotientRemainder[n, 8]; Array[a, 68, 0] (* Michael De Vlieger, Sep 08 2017 *) PROG (PARI) a(n) = floor((13*n - 1)/8); \\ Jon E. Schoenfield, Aug 21 2022 CROSSREFS Different from A000201, A066096, A090908. Cf. A000045. Sequence in context: A000201 A090908 A292644 * A188035 A026339 A182774 Adjacent sequences: A000199 A000200 A000201 * A000203 A000204 A000205 KEYWORD nonn,easy AUTHOR EXTENSIONS More terms from James A. Sellers, May 29 2000 STATUS approved

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Last modified November 27 03:04 EST 2022. Contains 358362 sequences. (Running on oeis4.)