A328492 First differences of A240510 (Numbers whose "reverse and add" process becomes palindromic at 8813200023188).

9, 89, 99, 99, 198, 99, 99, 88, 11, 88, 329, 90, 90, 90, 90, 90, 90, 90, 369, 90, 90, 90, 90, 90, 90, 90, 369, 90, 90, 90, 90, 90, 90, 90, 369, 90, 90, 90, 90, 90, 90, 90, 369, 90, 90, 90, 90, 90, 90, 90, 369, 90, 90, 90, 90, 90, 90, 90, 369, 90, 90, 90, 90

Offset

1,1

Comments

Additional patterns can be seen in the bfile.

Links

Robert Price, Table of n, a(n) for n = 1..176

Mathematica

limit = 10^3; (* Assumes that there is no palindrome if none is found before "limit" iterations *)
Differences@Select[Range[0, 50000], (np = #; i = 0;
    While[ ! PalindromeQ[np] && i < limit,
     np = np + IntegerReverse[np]; i++];
np == 8813200023188) &] (* Robert Price, Oct 16 2019 *)

Crossrefs

Cf. A033670, A240510.

Sequence in context: A279166 A147884 A178369 * A306686 A055410 A214616

Adjacent sequences: A328489 A328490 A328491 * A328493 A328494 A328495

Keyword

base,nonn,fini

Author

Robert Price, Oct 16 2019

Status

approved