# A151076 (b-file synthesized from sequence entry) 0 1 1 3 2 10 3 40 4 172 5 752 6 3417 7 15861 8 74103 9 351352 10 1681640 11 8076015 12 39063800 13 189889216 14 924922052 15 4523125805 16 22183456842 17 108940260148 18 536282913395 19 2644780657087 20 13054897004324 21 64540176018987 22 319455186011981 23 1582213202208502 24 7844634619098689 25 38926073651463768 26 193245536619581965