# A337034 (b-file synthesized from sequence entry) 0 1 1 3 2 9 3 30 4 96 5 294 6 840 7 2214 8 5796 9 14112 10 34158 11 76062 12 167928 13 337476 14 670626 15 1181064 16 2067900 17 3103404 18 4666542 19 5758008 20 7176144 21 6899904 22 6743712 23 4535916 24 3117192 25 1098900 26 392628 27 0