k[1] = 0
k[2] = 0
k[3] = 5679212932251/31250000000000000
k[4] = 300293753867069/5000000000000
k[5] = 498862313741851/10000000000
k[6] = 0
k[7] = 0
k[8] = 0
k[9] = 30
k[10] = 53193064634829/500000000000000000
k[11] = 60
k[12] = 3600
k[13] = 1
k[14] = 84227/12500000
k[15] = 40749/1000000
k[16] = 15543/1000000000
k[17] = 517473/100000000
k[18] = 76421/2500000
k[19] = 498597/5000000
k[20] = 210189/100000000000
k[21] = 25897/5000000000000000000
k[22] = 60749/50000000
k[23] = 163981/5000000
k[24] = 56551/50000000
k[25] = 192391/10000000
k[26] = 681901837333797/10000000000
k[27] = 433090165709309/10000000000000000
k[28] = 177158370271109/50000000000000