A050816 Fibonacci(k) ending with digits of its index number k.

0, 1, 5, 75025, 514229, 165580141, 7778742049, 2504730781961, 17167680177565, 259695496911122585, 1779979416004714189, 573147844013817084101, 59425114757512643212875125, 898923707008479989274290850145

Offset: 0

Author

Patrick De Geest, Oct 15 1999

Keywords

• nonn
• base

Crossrefs

Cf. A000045, A000350, A038546, A052000.

Programs

Mathematica

fQ[n_]:=Module[{idni=IntegerDigits[First[n]],indf=IntegerDigits[Last[n]]}, idni== Take[indf,-Length[idni]]]; Transpose[Select[Table[ {n, Fibonacci[n]}, {n,0,150}],fQ]][[2]] (* Harvey P. Dale, Apr 21 2011 *)