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A172439 Fibonacci sequence rewritten using A006942. 1
6, 2, 2, 5, 5, 5, 7, 25, 52, 54, 55, 76, 244, 555, 533, 626, 673, 2563, 5574, 4272, 6365, 26646, 23322, 57653, 46567, 35655, 252565, 266427, 523722, 524556, 755646, 2546566, 5237566, 5554537, 5365773, 6553465, 24656555, 54253723, 56677266 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

COMMENTS

For Fibonacci numbers containing two or more digits, just concatenate the digits.

Digit 0 ==> 6;1 ==> 2;2 ==> 5;3 ==> 5;4 ==> 4;5 ==> 5;6 ==> 6;7 ==> 3;8 ==> 7;9 ==> 6.

LINKS

Harvey P. Dale, Table of n, a(n) for n = 0..1000

Index entries for sequences related to calculator display

EXAMPLE

4181 is a Fibonacci number and using A006942 this is 4272.

MAPLE

A172439 := proc(n) if n = 0 then 6; else F := convert(combinat[fibonacci](n), base, 10) ; dgs := [] ; for i from 1 to nops(F) do dgs := [op(dgs), op(1+op(i, F), [ 6, 2, 5, 5, 4, 5, 6, 3, 7, 6])] ; end do ; add( op(i, dgs)*10^(i-1), i=1..nops(dgs)) ; end if; end proc: seq(A172439(n), n=0..40) ; # R. J. Mathar, Feb 08 2010

MATHEMATICA

FromDigits[IntegerDigits[#]/.{0->6, 1->2, 2->5, 3->5, 7->3, 8->7, 9->6}]&/@ Fibonacci[ Range[0, 40]] (* Harvey P. Dale, Aug 31 2020 *)

PROG

(PARI) my(A006942=[6, 2, 5, 5, 4, 5, 6, 3, 7, 6]); a(n) = if(n==0, 6, fromdigits(apply(d->A006942[d+1], digits(fibonacci(n))))); \\ Kevin Ryde, Sep 01 2020

CROSSREFS

Cf. A000045.

Sequence in context: A083286 A247818 A325039 * A169684 A259838 A256576

Adjacent sequences:  A172436 A172437 A172438 * A172440 A172441 A172442

KEYWORD

nonn,base

AUTHOR

Parthasarathy Nambi, Feb 02 2010

EXTENSIONS

More terms from R. J. Mathar, Feb 08 2010

STATUS

approved

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Last modified February 27 11:32 EST 2021. Contains 341656 sequences. (Running on oeis4.)