# A032470 (b-file synthesized from sequence entry) 1 6 2 12 3 48 4 82 5 126 6 186 7 732 8 1926 9 2802 10 6712 11 10026 12 16062 13 17790 14 18156 15 67878 16 176316 17 194950 18 231112 19 239832 20 494602 21 497926 22 693012 23 788640 24 2249974