# A150846 (b-file synthesized from sequence entry) 0 1 1 2 2 8 3 32 4 140 5 610 6 2756 7 12514 8 57848 9 268436 10 1257928 11 5915546 12 27991248 13 132843454 14 633110652 15 3024787472 16 14495342620 17 69608204042 18 335037749148 19 1615403739132 20 7802947707912 21 37746275219340 22 182865537439992 23 887020568383374 24 4307942307676976 25 20944703634327626 26 101936878569261388