A104379 a(n) = square root of digital reversal of A102859(n)^2.

0, 1, 2, 3, 1, 11, 21, 31, 2, 12, 22, 26, 3, 13, 99, 33, 1, 101, 201, 301, 11, 111, 211, 311, 21, 121, 221, 31, 2, 102, 202, 12, 112, 212, 22, 122, 26, 264, 3, 103, 307, 13, 113, 99, 836, 33, 1, 1001, 2001, 3001, 101, 1101, 2101, 3101, 201, 1201, 2201, 301, 1301, 11, 1011

Offset

1,3

Comments

The sequence is inverse to A102859.

Links

Table of n, a(n) for n=1..61.

Index entry for sequences related to reversing digits of squares

Mathematica

r[n_] := FromDigits@ Reverse@ IntegerDigits@ n; Sqrt@ r[#^2] & /@ Select[Range[0, 1101], IntegerQ@ Sqrt@ r[#^2] &] (* Michael De Vlieger, Sep 21 2015 *)

Crossrefs

Cf. A102859.

Sequence in context: A178081 A368272 A129969 * A142714 A276012 A176701

Adjacent sequences: A104376 A104377 A104378 * A104380 A104381 A104382

Keyword

nonn,base

Author

Zak Seidov, Mar 03 2005

Extensions

0 inserted, and name replaced with formula, by Jon E. Schoenfield, Sep 20 2015

Status

approved