63898
domain: N
Appears in sequences
- a(n) = sum[i=1,n](i-th prime of Erdős-Selfridge classification i+). Cumulative sums of A101253.at n=6A098661
- Integers n not of form 3m+2 such that for any integer k > 0, n*10^k+1 has a divisor in the set { 7, 11, 13, 37 }.at n=14A243969
- Expansion of Product_{k>=1} ((1 + x^k) / (1 + x^(5*k)))^k.at n=23A285291
- Irregular triangle read by rows: T(n,k) is number of sequences of length k over {0,1,...,n-1} containing no two consecutive blocks with the same average, n >= 1, 0 <= k <= A379914(n).at n=57A379998