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 A028840 Numbers n such that sum of digits of n is a Fibonacci number. 2
 0, 1, 2, 3, 5, 8, 10, 11, 12, 14, 17, 20, 21, 23, 26, 30, 32, 35, 41, 44, 49, 50, 53, 58, 62, 67, 71, 76, 80, 85, 94, 100, 101, 102, 104, 107, 110, 111, 113, 116, 120, 122, 125, 131, 134, 139, 140, 143, 148, 152, 157, 161, 166, 170, 175, 184, 193, 200, 201, 203, 206 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 COMMENTS The subsequence of primes begins: 2, 3, 5, 11, 17, 23, 41, 53, 67, 71, 101, 107, 113, 131, 139, 157, 193, 229, 233, 251 ... - Dario Piazzalunga, Jan 03 2013 The subsequence of Fibonacci numbers begins: 0, 1, 2, 3, 5, 8, 21, 233,... (no more at least up to 100000) - Dario Piazzalunga, Jan 03 2013 LINKS MAPLE isA000045 := proc(n)     local i, f;     for i from 0 do         f := combinat[fibonacci](i) ;         if f = n then             return true;         elif f > n then             return false;         end if;     end do: end proc: isA028840 := proc(n)     isA000045(A007953(n)) ; end proc: for n from 0 to 1000 do     if isA028840(n) then         printf("%d, ", n);     end if; end do: # R. J. Mathar, Apr 17 2013 MATHEMATICA f = Union[Fibonacci[Range[0, 8]]]; t = {}; n = 0; While[c = Total[IntegerDigits[n]]; c < f[[-1]], If[MemberQ[f, c], AppendTo[t, n]]; n++]; t (* T. D. Noe, Jan 03 2013 *) CROSSREFS Cf. A007953, A028841, A028890. Sequence in context: A321702 A028800 A028841 * A189143 A047605 A295085 Adjacent sequences:  A028837 A028838 A028839 * A028841 A028842 A028843 KEYWORD nonn,base,easy AUTHOR EXTENSIONS More terms from Erich Friedman. 0 added by Dario Piazzalunga, Jan 03 2013 STATUS approved

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Last modified June 16 12:38 EDT 2019. Contains 324152 sequences. (Running on oeis4.)