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A014258 Iccanobif numbers: add previous two terms and reverse the sum. 29
0, 1, 1, 2, 3, 5, 8, 31, 93, 421, 415, 638, 3501, 9314, 51821, 53116, 739401, 715297, 8964541, 8389769, 1345371, 415379, 570671, 50689, 63126, 518311, 734185, 6942521, 6076767, 88291031, 89776349, 83760871, 22735371, 242694601 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,4

LINKS

N. J. A. Sloane and Alois P. Heinz, Table of n, a(n) for n = 0..1000 (first 200 terms from N. J. A. Sloane)

N. J. A. Sloane, Transforms

MAPLE

with(transforms); f:=proc(n) option remember; if n <= 1 then n else digrev(f(n-1)+f(n-2)); fi; end; [seq(f(n), n=0..50)];

MATHEMATICA

Clear[ BiF ]; BiF[ 0 ]=0; BiF[ 1 ]=1; BiF[ n_Integer ] := BiF[ n ]=Plus@@(IntegerDigits[ BiF[ n-2 ]+BiF[ n-1 ], 10 ]//(#*Array[ 10^#&, Length[ # ], 0 ])&); Array[ BiF, 40, 0 ]

nxt[{a_, b_}]:={b, FromDigits[Reverse[IntegerDigits[a+b]]]}; Transpose[ NestList[ nxt, {0, 1}, 40]][[1]] (* Harvey P. Dale, Jun 15 2013 *)

CROSSREFS

Cf. A000045, A001129, A014259, A014260.

Sequence in context: A004091 A072210 A273003 * A237575 A275524 A177195

Adjacent sequences:  A014255 A014256 A014257 * A014259 A014260 A014261

KEYWORD

base,nonn,easy

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified February 16 20:45 EST 2019. Contains 320189 sequences. (Running on oeis4.)