1375731712domain: NAppears in sequencesa(n) = 2^(n-3)*(n^2+3*n+8).at n=24A072863Row sums of triangle A133085.at n=26A133086a(n) = (7 + (-1)^n + 6*n)*2^(n-3).at n=26A179608a(n) is the least number with n prime factors (counted with multiplicity) that is the concatenation of two primes.at n=25A374669