# A077485 (b-file synthesized from sequence entry) 1 1 2 16 3 144 4 1369 5 10816 6 0 7 1004004 8 0 9 100000000 10 0 11 10000400004 12 0 13 1000000000000 14 0 15 100000040000004 16 0 17 10000000000000000 18 0 19 1000000004000000004 20 0 21 100000000000000000000 22 0 23 10000000000400000000004