A253910 - cp's OEIS frontend

A253910 Concatenation of n-th prime and n-th nonprime.

n	a(n)
1	21
2	34
3	56
4	78
5	119
6	1310
7	1712
8	1914
9	2315
10	2916
11	3118
12	3720
13	4121
14	4322
15	4724
16	5325
17	5926
18	6127
19	6728
20	7130
21	7332
22	7933
23	8334
24	8935
25	9736
26	10138
27	10339
28	10740
29	10942
30	11344
31	12745
32	13146
33	13748
34	13949
35	14950
36	15151
37	15752
38	16354
39	16755
40	17356
41	17957
42	18158
43	19160
44	19362
45	19763
46	19964
47	21165
48	22366
49	22768
50	22969

[21, 34, 56, 78, 119, 1310, 1712, 1914, 2315, 2916, 3118, 3720, 4121, 4322, 4724, 5325, 5926, 6127, 6728, 7130, 7332, 7933, 8334, 8935, 9736, 10138, 10339, 10740, 10942, 11344, 12745, 13146, 13748, 13949, 14950, 15151, 15752, 16354, 16755, 17356, 17957, 18158, 19160, 19362, 19763, 19964, 21165, 22366, 22768, 22969]

cp's OEIS Frontend

A253910 Concatenation of n-th prime and n-th nonprime.

Table of values

List of values