# A092423 (b-file synthesized from sequence entry) 0 1 1 2 2 4 3 9 4 21 5 50 6 121 7 297 8 736 9 1837 10 4610 11 11618 12 29379 13 74500 14 189362 15 482282 16 1230460 17 3144137 18 8045057 19 20610526 20 52860253 21 135707819 22 348720196 23 896833527 24 2308229426 25 5944998971 26 15321681454 27 39511323139 28 101947848801 29 263183509040 30 679747862389 31 1756432848707 32 4540430713995