# A019188 (b-file synthesized from sequence entry) 3 0 4 0 5 4 6 6 7 4 8 14 9 56 10 94 11 204 12 638 13 1508 14 3414 15 9176 16 23232 17 57600 18 148550 19 388584 20 1001432 21 2614820 22 6905866 23 18222128 24 48202028 25 128305452 26 342215994 27 913945432 28 2447695760 29 6569189860 30 17654039564 31 47523604660