# A036651 (b-file synthesized from sequence entry) 0 0 1 1 2 0 3 1 4 1 5 2 6 3 7 7 8 11 9 26 10 52 11 120 12 266 13 640 14 1509 15 3702 16 9090 17 22781 18 57452 19 146783 20 377357 21 978342 22 2550611 23 6690242 24 17633855 25 46705333 26 124227015 27 331757697 28 889207207 29 2391478247 30 6451880415 31 17457214729 32 47363110968