# A032425 (b-file synthesized from sequence entry) 1 4 2 20 3 24 4 76 5 96 6 544 7 560 8 1124 9 1760 10 5056 11 6104 12 9680 13 31416 14 84640 15 281244 16 301056 17 585044 18 809716 19 858640 20 1016600 21 1376256 22 2584480