A028775 - OEIS

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A028775 as a simple table

n	a(n)
1	3
2	6
3	11
4	12
5	13
6	15
7	17
8	21
9	22
10	23
11	24
12	26
13	27
14	29
15	30
16	34
17	37
18	42
19	43
20	44
21	46
22	48
23	52
24	53
25	54
26	55
27	57
28	58
29	60
30	61

[3,6,11,12,13,15,17,21,22,23,24,26,27,29,30,34,37, 42,43,44,46,48,52,53,54,55,57,58,60,61]

n	a(n)
1	3
2	6
3	11
4	12
5	13
6	15
7	17
8	21
9	22
10	23
11	24
12	26
13	27
14	29
15	30
16	34
17	37
18	42
19	43
20	44
21	46
22	48
23	52
24	53
25	54
26	55
27	57
28	58
29	60
30	61

n	a(n)
1	3
2	6
3	11
4	12
5	13
6	15
7	17
8	21
9	22
10	23
11	24
12	26
13	27
14	29
15	30
16	34
17	37
18	42
19	43
20	44
21	46
22	48
23	52
24	53
25	54
26	55
27	57
28	58
29	60
30	61

n	a(n)
1	3
2	6
3	11
4	12
5	13
6	15
7	17
8	21
9	22
10	23
11	24
12	26
13	27
14	29
15	30
16	34
17	37
18	42
19	43
20	44
21	46
22	48
23	52
24	53
25	54
26	55
27	57
28	58
29	60
30	61