# A148282 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 5 4 12 5 32 6 92 7 271 8 802 9 2516 10 7892 11 25116 12 81890 13 267202 14 886770 15 2964251 16 9969622 17 33847964 18 115461276 19 396374112 20 1367694250 21 4740566250 22 16504036142 23 57686764804 24 202361337602 25 712238874402 26 2514935212810 27 8904756497154 28 31619392744370 29 112552506665706 30 401581581753186 31 1436138034172283