A109977 Inverse of number-theoretic triangle A109974.
1, -2, 1, 4, -3, 1, -15, 11, -5, 1, 107, -76, 35, -9, 1, -1475, 1041, -476, 125, -17, 1, 40914, -28858, 13177, -3460, 479, -33, 1, -2327019, 1641270, -749336, 196731, -27260, 1901, -65, 1, 271813931, -191712888, 87527566, -22979242, 3184213, -222196, 7655, -129, 1, -64930439315, 45796039830
Offset: 0
Examples
Rows begin 1; -2,1; 4,-3,1; -15,11,-5,1; 107,-76,35,-9,1; -1475,1041,-476,125,-17,1;