# A025538 (b-file synthesized from sequence entry) 0 1 1 0 2 1 3 1 4 3 5 9 6 10 7 66 8 135 9 395 10 396 11 4344 12 4345 13 56471 14 56486 15 56478 16 112957 17 1920251 18 1920252 19 36484768 20 36484789 21 36484767 22 36484768 23 839149640 24 839149645 25 4195748199 26 4195748208 27 12587244596 28 12587244597 29 365030093283 30 365030093284