200250

Appears in sequences

• Sum of numbers that cannot be written as t*p(n) + u*p(n+1) for nonnegative integers t, u, where p(n) is the n-th prime.at n=10A076429
• G.f. satisfies A(x) = 1 + x*A(x) + x^4*A(x)^3.at n=19A364552