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.

A248165 a(1)=252; for n>=1, a(n+1) is the smallest palindromic 5-almost prime with a(n) as a central substring.

Table of values

n a(n)
1 252
2 92529
3 189252981
4 1218925298121
5 212189252981212
6 12121892529812121
7 8121218925298121218
8 781212189252981212187
9 1678121218925298121218761
10 216781212189252981212187612
11 22167812121892529812121876122
12 2221678121218925298121218761222

List of values

[252, 92529, 189252981, 1218925298121, 212189252981212, 12121892529812121, 8121218925298121218, 781212189252981212187, 1678121218925298121218761, 216781212189252981212187612, 22167812121892529812121876122, 2221678121218925298121218761222]

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

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