# A027849 (b-file synthesized from sequence entry) 0 1 1 20 2 87 3 232 4 485 5 876 6 1435 7 2192 8 3177 9 4420 10 5951 11 7800 12 9997 13 12572 14 15555 15 18976 16 22865 17 27252 18 32167 19 37640 20 43701 21 50380 22 57707 23 65712 24 74425 25 83876 26 94095 27 105112 28 116957 29 129660 30 143251