# A299923 (b-file synthesized from sequence entry) -1 -1 0 0 1 1 2 2 3 3 4 7 5 60 6 113 7 16664 8 33215 9 49766 10 364913 11 1044973 12 1725033 13 14480324 14 27235615 15 39990906 16 52746197 17 65501488 18 405764219 19 2369083826 20 9070571085 21 15772058344 22 22473545603 23 29175032862 24 35876520121 25 42578007380 26 49279494639 27 55980981898 28 62682469157 29 69383956416 30 76085443675 31 82786930934 32 89488418193