315516

Appears in sequences

• a(n) = sum[i=1,n](i-th prime of Erdős-Selfridge classification i-). Cumulative sums of A101231.at n=8A101254
• Row sums of number triangle A070895.at n=12A187044
• a(0)=0, a(1)=0; for n>1, a(n) = a(n-1) + (n-3)*a(n-2) + 1.at n=14A193361