A045539 Multiply by 5 and reverse.

1, 5, 52, 62, 13, 56, 82, 14, 7, 53, 562, 182, 19, 59, 592, 692, 643, 5123, 51652, 62852, 62413, 560213, 5601082, 1450082, 140527, 536207, 5301862, 1390562, 182596, 89219, 590644, 223592, 697111, 5555843, 51297772, 68884652, 62324443, 512226113, 5650311652

Offset: 0

Author

Erich Friedman

Keywords

• base
• nonn

Links

• Alois P. Heinz, Table of n, a(n) for n = 0..1000
• Vaclav Kotesovec, Plot of a(n)^(1/n) for n = 0..100000

Crossrefs

Cf. A036447 (*2), A163632 (*3), A132064 (*4), A132078 (*6), A132114 (*7), A132113 (*8), A133361 (*9).

Programs

Maple

a:= proc(n) option remember; `if`(n=0, 1,
      (s-> parse(cat(s[-i]$i=1..length(s))))(""||(5*a(n-1))))
    end:
seq(a(n), n=0..40);  # Alois P. Heinz, Apr 09 2015

Mathematica

a[n_] := a[n] = If[n==0, 1, IntegerReverse[5a[n-1]]];
a /@ Range[0, 40] (* Jean-François Alcover, Jan 01 2021 *)