i	d[0]	d[mid]	d[last]	size
1:	1	1	1	2
2:	1	3	3	3
3:	1	3	5	4
4:	1	5	7	5
5:	1	5	9	6
6:	1	7	11	7
7:	1	7	13	8
8:	1	9	15	9
9:	1	9	17	10
10:	1	11	19	11
11:	1	11	21	12
12:	1	13	23	13
13:	1	13	25	14
14:	1	15	27	15
15:	1	15	29	16
16:	1	17	31	17
17:	1	17	33	18
18:	1	19	35	19
19:	1	19	37	20
20:	1	21	39	21
21:	1	21	41	22
22:	1	23	43	23
23:	1	23	45	24
24:	1	25	47	25
25:	1	25	49	26
26:	1	27	51	27
27:	1	27	53	28
28:	1	29	55	29
29:	1	29	57	30
30:	1	31	59	31
31:	1	31	61	32
32:	1	33	63	33
33:	1	33	65	34