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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.

A230045 Palindromic primes with strictly increasing sum of digits.

Table of values

n a(n)
1 2
2 3
3 5
4 7
5 181
6 191
7 373
8 383
9 727
10 757
11 787
12 797
13 17971
14 19891
15 19991
16 76667
17 77977
18 78887
19 79997
20 1987891
21 1988891
22 1998991
23 3799973
24 3899983
25 3998993
26 7897987
27 7996997
28 9888889
29 9889889
30 9989899
31 199999991
32 768989867
33 779969977
34 779999977
35 798989897

List of values

[2, 3, 5, 7, 181, 191, 373, 383, 727, 757, 787, 797, 17971, 19891, 19991, 76667, 77977, 78887, 79997, 1987891, 1988891, 1998991, 3799973, 3899983, 3998993, 7897987, 7996997, 9888889, 9889889, 9989899, 199999991, 768989867, 779969977, 779999977, 798989897]

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

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