# A091344 (b-file synthesized from sequence entry) 0 0 1 1 2 7 3 31 4 115 5 391 6 1267 7 3991 8 12355 9 37831 10 115027 11 348151 12 1050595 13 3164071 14 9516787 15 28599511 16 85896835 17 257887111 18 774054547 19 2322950071 20 6970423075 21 20914414951 22 62749536307 23 188261191831 24 564808741315 25 1694476555591