A135463 Numbers n with property that for each single digit d of n, we can also see the decimal expansions of d^2 and d^3 as substrings of n. Also n may not contain any 0 digits.
1, 11, 111, 1111, 11111, 111111, 1111111, 11111111, 111111111, 1111111111, 11111111111, 111111111111, 1111111111111, 11111111111111, 111111111111111, 1111111111111111, 11111111111111111, 111111111111111111, 216343649812512729
Offset: 1
Links
- David Applegate, Table of n, a(n) for n = 1..300
- David Applegate, C++ program for sequences of this type
Crossrefs
Cf. A134962.