# A148929 (b-file synthesized from sequence entry) 0 1 1 1 2 3 3 9 4 27 5 100 6 358 7 1310 8 5203 9 20335 10 80677 11 333518 12 1368985 13 5672051 14 24086008 15 101939272 16 434048472 17 1878827928 18 8118874522 19 35229694110 20 154688620523 21 678579542296 22 2985849467215 23 13255483445161 24 58815437466209 25 261583855121071 26 1171456869499083 27 5244599389763296 28 23524482015917457