Question

продолжи ряд чисел 10-0 11-1 12-2 15-0 19-4 20-0 23-3 30-? 37-? 41-?

Answer 1

21-1
22-2
23-3
24-4
25-0
26-1
27-2
28-3
29-4
30-0    37-2   41-1