A033653 Trajectory of 15 under map x->x + (x-with-digits-reversed).

15, 66, 132, 363, 726, 1353, 4884, 9768, 18447, 92928, 175857, 934428, 1758867, 9447438, 17794887, 96644658, 182289327, 906271608, 1712444217, 8836886388, 17673772776, 85401510447, 159803020905

Offset

0,1

Links

Harvey P. Dale, Table of n, a(n) for n = 0..1000

Index entries for sequences related to Reverse and Add!

Mathematica

NestList[#+IntegerReverse[#]&, 15, 30] (* Harvey P. Dale, Jan 20 2025 *)

Crossrefs

Sequence in context: A027526 A334802 A284898 * A088058 A062392 A211787

Adjacent sequences: A033650 A033651 A033652 * A033654 A033655 A033656

Keyword

nonn,base

Author

N. J. A. Sloane.

Status

approved