A097921 - OEIS

A097921 as a simple table

n	a(n)
0	1
1	1
2	2
3	4
4	6
5	8
6	12
7	16
8	20
9	26
10	32
11	38
12	46
13	54
14	62
15	72
16	82
17	92
18	104
19	116
20	128
21	142
22	156
23	170
24	186
25	202
26	218
27	236
28	254
29	272
30	292
31	312
32	332
33	354
34	376
35	398
36	422
37	446
38	470
39	496
40	522
41	548
42	576
43	604
44	632
45	662
46	692
47	722
48	754
49	786
50	818
51	852
52	886
53	920
54	956
55	992
56	1028
57	1066
58	1104

[1,1,2,4,6,8,12,16,20,26,32,38,46,54,62,72,82,92, 104,116,128,142,156,170,186,202,218,236,254,272, 292,312,332,354,376,398,422,446,470,496,522,548, 576,604,632,662,692,722,754,786,818,852,886,920, 956,992,1028,1066,1104]