# A212352 (b-file synthesized from sequence entry) 0 0 1 1 2 3 3 9 4 25 5 75 6 235 7 759 8 2521 9 8555 10 29503 11 103129 12 364547 13 1300819 14 4679471 15 16952161 16 61790441 17 226451035 18 833918839 19 3084255127 20 11451630043 21 42669225171 22 159497648599 23 597950875255 24 2247724108771 25 8470205600639