723845

Appears in sequences

• a(n) is the smallest integer k > 1 such that k cannot be expressed as a sum of distinct earlier terms nor is a multiple of any earlier term.at n=23A330070
• Composite terms in A330070.at n=8A330126
• Expansion of g.f. A(x) satisfying Sum_{n=-oo..+oo} (-1)^n * (x^n + 2*A(x))^n = 1 + 4*Sum_{n>=1} (-1)^n * x^(n^2).at n=11A370022