A255850 Number of digits in the n-th term of A061844: Squares which remain squares if you decrease every digit by 1.
1, 2, 4, 5, 7, 11, 12, 18, 20, 20, 20, 21, 30, 30, 30, 30, 30, 30, 30, 30, 32, 32, 32, 40, 42, 42, 42, 42, 42, 42, 42, 42, 42, 54, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60
Offset: 1
Links
- Lars Blomberg, Table of n, a(n) for n = 1..78
- G. Campbell et al., A six digit problem, Number Theory group on LinkedIn.com, March 2015.
Programs
Extensions
More terms calculated from A061844 by Lars Blomberg, Aug 21 2016
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