A138838 - cp's OEIS frontend

A138838 Concatenation of initial and final digits of n-th even superperfect number A061652(n), divided by 2.

n	a(n)
1	11
2	22
3	8
4	32
5	23
6	33
7	12
8	7
9	8
10	18
11	42
12	42
13	18
14	12
15	27
16	37
17	13
18	8
19	48
20	7
21	13
22	8
23	8
24	13
25	13
26	13
27	23
28	12
29	12
30	13
31	17
32	42
33	33
34	12
35	23
36	18
37	33
38	13
39	23
40	32
41	7
42	32
43	8
44	33
45	7
46	43
47	8

[11, 22, 8, 32, 23, 33, 12, 7, 8, 18, 42, 42, 18, 12, 27, 37, 13, 8, 48, 7, 13, 8, 8, 13, 13, 13, 23, 12, 12, 13, 17, 42, 33, 12, 23, 18, 33, 13, 23, 32, 7, 32, 8, 33, 7, 43, 8]

cp's OEIS Frontend

A138838 Concatenation of initial and final digits of n-th even superperfect number A061652(n), divided by 2.

Table of values

List of values

n	a(n)
1	11
2	22
3	8
4	32
5	23
6	33
7	12
8	7
9	8
10	18
11	42
12	42
13	18
14	12
15	27
16	37
17	13
18	8
19	48
20	7
21	13
22	8
23	8
24	13
25	13
26	13
27	23
28	12
29	12
30	13
31	17
32	42
33	33
34	12
35	23
36	18
37	33
38	13
39	23
40	32
41	7
42	32
43	8
44	33
45	7
46	43
47	8

n	a(n)
1	11
2	22
3	8
4	32
5	23
6	33
7	12
8	7
9	8
10	18
11	42
12	42
13	18
14	12
15	27
16	37
17	13
18	8
19	48
20	7
21	13
22	8
23	8
24	13
25	13
26	13
27	23
28	12
29	12
30	13
31	17
32	42
33	33
34	12
35	23
36	18
37	33
38	13
39	23
40	32
41	7
42	32
43	8
44	33
45	7
46	43
47	8

n	a(n)
1	11
2	22
3	8
4	32
5	23
6	33
7	12
8	7
9	8
10	18
11	42
12	42
13	18
14	12
15	27
16	37
17	13
18	8
19	48
20	7
21	13
22	8
23	8
24	13
25	13
26	13
27	23
28	12
29	12
30	13
31	17
32	42
33	33
34	12
35	23
36	18
37	33
38	13
39	23
40	32
41	7
42	32
43	8
44	33
45	7
46	43
47	8