# A216246 (b-file synthesized from sequence entry) 0 1 1 1 2 1 3 2 4 7 5 20 6 62 7 228 8 867 9 3474 10 14864 11 67101 12 316028 13 1540782 14 7792810 15 40669011 16 218087867 17 1201778736 18 6792071574 19 39309770969 20 232718797430 21 1407837227275 22 8694994837673 23 54771751869237 24 351643945379956 25 2299330292987022 26 15302662859459784