# A015068 (b-file synthesized from sequence entry) 0 1 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0 10 0 11 100 12 0 13 0 14 0 15 1100 16 3850 17 0 18 4125 19 38500 20 92400 21 193600 22 347600 23 485100 24 600600 25 660352 26 600600 27 485100 28 347600 29 193600 30 92400 31 38500 32 4125 33 0 34 3850 35 1100 36 0 37 0 38 0 39 100 40 0 41 0 42 0 43 0 44 0 45 0 46 0 47 0 48 0 49 0 50 1