203554

Appears in sequences

• Row 1 of tables A124550 and A124560; also equals the antidiagonal sums of table A124550.at n=9A124551
• Rectangular table, read by antidiagonals, such that the g.f. of row n, R_n(y), satisfies: R_n(y) = Sum_{k>=0} y^k * [R_{n*k}(y)]^(n*k) for n>=0, with R_0(y)=1/(1-y).at n=64A124560
• Prime gaps: differences between consecutive primes, starting at 10^100000.at n=21A365612