A362966 Numbers k such that A007908(k) == 1 (mod k).
1, 121487, 293957, 13449179, 549999887
Offset: 1
Programs
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Python
# See A029455 for concat_mod def isok(k): return concat_mod(10, k, k)==1%k # Jason Yuen, Oct 12 2024
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.
# See A029455 for concat_mod def isok(k): return concat_mod(10, k, k)==1%k # Jason Yuen, Oct 12 2024
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