A002108 4th powers written backwards.

1, 61, 18, 652, 526, 6921, 1042, 6904, 1656, 1, 14641, 63702, 16582, 61483, 52605, 63556, 12538, 679401, 123031, 61, 184491, 652432, 148972, 677133, 526093, 679654, 144135, 656416, 182707, 18, 125329, 6758401, 1295811, 6336331, 5260051, 6169761

Offset

1,2

Links

T. D. Noe, Table of n, a(n) for n = 1..1000

Formula

From Michel Marcus, Jun 04 2019: (Start)

a(n) = A004086(A000583(n)).

a(n) = A002942(n^2). (End)

a(n * 10^k) = a(n) for k >= 1. - Bernard Schott, Jun 04 2019

Mathematica

FromDigits[Reverse[IntegerDigits[#]]]&/@(Range[40]^4) (* Harvey P. Dale, May 03 2012 *)

Prog

(PARI) a(n) = fromdigits(Vecrev(digits(n^4))); \\ Michel Marcus, Jun 04 2019

Crossrefs

Cf. A004086, A000583, A002942, A004165.

{This sequence} Intersection A000583 = A186080 (palindromes).

Sequence in context: A224730 A248143 A012860 * A087409 A199749 A303687

Adjacent sequences: A002105 A002106 A002107 * A002109 A002110 A002111

Keyword

nonn,base

Author

N. J. A. Sloane

Status

approved