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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.

A352803 a(n) is the first prime p such that, with q the next prime, p^2+q is 10^n times a prime.

Table of values

n a(n)
0 2
1 523
2 2243
3 39419
4 763031
5 37427413
6 594527413
7 5440486343
8 1619625353
9 35960850223
10 17012632873031
11 43502632873031
12 2322601810486343
13 5470654702304929
14 99466287423954043
15 1917321601810486343
16 6091565756519625353

List of values

[2, 523, 2243, 39419, 763031, 37427413, 594527413, 5440486343, 1619625353, 35960850223, 17012632873031, 43502632873031, 2322601810486343, 5470654702304929, 99466287423954043, 1917321601810486343, 6091565756519625353]

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

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