# A036842 (b-file synthesized from sequence entry) 1 3 2 7 3 44 4 336 5 237 6 10296 7 16124 8 164833 9 922077 10 1476984 11 34182196 12 32125393 13 597551756 14 2465133864 15 6890111163 16 98248054847 17 42744511676 18 2114245277767 19 6358056037323 20 28515500892816 21 278471369994004