# A149197 (b-file synthesized from sequence entry) 0 1 1 1 2 4 3 10 4 38 5 127 6 498 7 1846 8 7458 9 29123 10 120377 11 486047 12 2044320 13 8456536 14 36043135 15 151821939 16 653902619 17 2792757249 18 12132725385 19 52385920494 20 229244652005 21 998645414067 22 4397348211972 23 19297997436455 24 85431003830801 25 377265869504289 26 1677950193296670 27 7449555762421172