26583domain: NAppears in sequences3-comma numbers: n occurs in the sequence S[k+1]=S[k]+10*last_digit(S[k-1])+first_digit(S[k]) for three different splittings n=concat(S[0],S[1]).at n=33A166513Numbers k such that Sum_{i=1..k} i^6 divides Product_{i=1..k} i^6.at n=29A166606a(n) = floor( prime(n)^3 / (n*log(n)) ).at n=33A259648