70179domain: NAppears in sequencesNumber of 4k+3 primes (A002145) in range ]2^n,2^(n+1)].at n=20A095008Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (-1, 0, 0), (0, -1, 1), (0, 1, 0), (1, 1, -1)}.at n=11A148200