# A036626 (b-file synthesized from sequence entry) 0 1 1 1 2 1 3 2 4 4 5 9 6 20 7 48 8 114 9 283 10 709 11 1806 12 4626 13 11940 14 30880 15 80055 16 207586 17 538330 18 1395080 19 3612756 20 9346541 21 24157618 22 62377353 23 160914843 24 414737061 25 1068032468 26 2748211066 27 7066320945 28 18156540077 29 46621728265 30 119639668421