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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.

A108844 Palindromic primes in which all internal digits are 7.

Table of values

n a(n)
1 373
2 1777771
3 377777777777773
4 1777777777777777777777777777777777777777777777771
5 3777777777777777777777777777777777777777777777777777773
6 377777777777777777777777777777777777777777777777777777777777777777773

List of values

[373, 1777771, 377777777777773, 1777777777777777777777777777777777777777777777771, 3777777777777777777777777777777777777777777777777777773, 377777777777777777777777777777777777777777777777777777777777777777773]

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

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