A005282 - cp's OEIS frontend

A005282 Mian-Chowla sequence (a B_2 sequence): a(1) = 1; for n>1, a(n) = smallest number > a(n-1) such that the pairwise sums of elements are all distinct.

n	a(n)
1	1
2	2
3	4
4	8
5	13
6	21
7	31
8	45
9	66
10	81
11	97
12	123
13	148
14	182
15	204
16	252
17	290
18	361
19	401
20	475
21	565
22	593
23	662
24	775
25	822
26	916
27	970
28	1016
29	1159
30	1312
31	1395
32	1523
33	1572
34	1821
35	1896
36	2029
37	2254
38	2379
39	2510
40	2780
41	2925
42	3155
43	3354
44	3591
45	3797
46	3998
47	4297
48	4433
49	4779
50	4851

[1, 2, 4, 8, 13, 21, 31, 45, 66, 81, 97, 123, 148, 182, 204, 252, 290, 361, 401, 475, 565, 593, 662, 775, 822, 916, 970, 1016, 1159, 1312, 1395, 1523, 1572, 1821, 1896, 2029, 2254, 2379, 2510, 2780, 2925, 3155, 3354, 3591, 3797, 3998, 4297, 4433, 4779, 4851]

cp's OEIS Frontend

A005282 Mian-Chowla sequence (a B_2 sequence): a(1) = 1; for n>1, a(n) = smallest number > a(n-1) such that the pairwise sums of elements are all distinct.

Table of values

List of values