cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A072216 Consider the Reverse and Add! problem (cf. A001127); of all the n-digit numbers N which eventually reach a palindrome, pick that number N which takes the greatest number of steps to converge (in case of a tie, pick the smallest N); sequence gives values of N.

Table of values

n a(n)
1 5
2 89
3 187
4 1297
5 10911
6 150296
7 9008299
8 15002893
9 140669390
10 1005499526
11 10087799570

List of values

[5, 89, 187, 1297, 10911, 150296, 9008299, 15002893, 140669390, 1005499526, 10087799570]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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