# A146894 (b-file synthesized from sequence entry) 0 1 1 0 2 0 3 0 4 0 5 0 6 4060 7 24360 8 294930 9 1728400 10 7758660 11 26336640 12 67403540 13 129936240 14 192974265 15 220819632 16 192974265 17 129936240 18 67403540 19 26336640 20 7758660 21 1728400 22 294930 23 24360 24 4060 25 0 26 0 27 0 28 0 29 0 30 1