# A146376 (b-file synthesized from sequence entry) 1 1 2 1 3 1 4 1 5 1 6 5 7 13 8 31 9 121 10 491 11 3357 12 25639 13 206564 14 2153667 15 27375428 16 448457031 17 9212009681 18 222552225829 19 6521884144620 20 236096811899889 21 10628490855495893 22 594148587329565431 23 40503058557002692998 24 3359157855652125960413