A121103 a(1)=1; a(n) = the reversal of (a(n-1) + sfd(a(n-1))), where sfd(n)= sum of factorials of the digits of n.

1, 2, 4, 82, 40404, 87404, 318231, 765853, 971218, 2649731, 4048103, 848804, 318969, 6775801, 3407286, 9933543, 56495601, 78106865, 70149187, 49426507, 81359794, 56013128, 99245065, 21817999, 30025922, 63988303, 26523446

Offset

1,2

Links

Harvey P. Dale, Table of n, a(n) for n = 1..1000

Mathematica

NestList[IntegerReverse[#+Total[IntegerDigits[#]!]]&, 1, 30] (* Harvey P. Dale, May 05 2023 *)

Crossrefs

Cf. A061602.

Sequence in context: A076961 A012439 A012435 * A018397 A259137 A009217

Adjacent sequences: A121100 A121101 A121102 * A121104 A121105 A121106

Keyword

base,easy,nonn

Author

Jason Earls, Aug 12 2006

Status

approved