# A195261 (b-file synthesized from sequence entry) 0 1 1 1 2 3 3 12 4 56 5 284 6 1520 7 8449 8 48303 9 282207 10 1677489 11 10112546 12 61678702 13 379919672 14 2359991520 15 14767164162 16 92993252612 17 588904075546 18 3748029131834 19 23960546501520 20 153790930664222 21 990690415079898 22 6402865318618654 23 41506375396111624