# A293058 (b-file synthesized from sequence entry) 0 1 1 3 2 9 3 19 4 36 5 64 6 110 7 185 8 308 9 507 10 830 11 1353 12 2200 13 3571 14 5790 15 9381 16 15192 17 24596 18 39812 19 64433 20 104271 21 168731 22 273030 23 441790 24 714850 25 1156671 26 1871553 27 3028257 28 4899844 29 7928136 30 12828016 31 20756189 32 33584243 33 54340472 34 87924756 35 142265270