# A124612 (b-file synthesized from sequence entry) 0 1 1 2 2 6 3 14 4 34 5 68 6 144 7 276 8 534 9 974 10 1774 11 3106 12 5410 13 9146 14 15334 15 25158 16 40884 17 65264 18 103204 19 160808 20 248222 21 378350 22 571534 23 853890 24 1264962 25 1855638 26 2700490 27 3895626 28 5577846 29 7923072 30 11176164 31 15650712 32 21774473 33 30092868 34 41337096 35 56434524