73906domain: NAppears in sequencesa(n) = 288*2^n + 178 (n >= 1).at n=7A304608Number of triangles larger than size=1 in a matchstick-made hexagon with side length n.at n=28A307253Indices of the primes that have the same base-10 digits as the corresponding prime number (with multiplicity), disregarding zero digits.at n=15A355318