# A268814 (b-file synthesized from sequence entry) 0 1 1 0 2 0 3 0 4 1 5 0 6 5 7 14 8 62 9 298 10 1494 11 8140 12 47146 13 289250 14 1873304 15 12756416 16 91062073 17 679616480 18 5290206513 19 42858740990 20 360686972473 21 3147670023632 22 28439719809159 23 265647698228954 24 2561823514680235 25 25475177517626196 26 260922963832247729 27 2749617210928715246