36970
domain: N
Appears in sequences
- a(n+1) = A154771(a(n)) = sum of all distinct "valid substrings" of a(n); a(1)=10 (least nontrivial choice).at n=39A154770
- Numbers n = p * q, where n, p, and q together contain all 10 digits at least once.at n=42A253172
- Values n, where n = p * q, and n, p, and q together contain all 10 digits at least once, and no digit is in more than one of n, p or q.at n=20A253173