# A058990 (b-file synthesized from sequence entry) 1 2 2 4 3 256 4 2 5 2 6 16 7 2 8 8 9 32 10 2 11 32 12 4 13 268435456 14 32 15 8 16 3794275180128377091639574036764685364535950857523710002444946112771297432041422848 17 2 18 4951760157141521099596496896