A025582 - cp's OEIS frontend

A025582 A B_2 sequence: a(n) is the least value such that sequence increases and pairwise sums of elements are all distinct.

n	a(n)
1	0
2	1
3	3
4	7
5	12
6	20
7	30
8	44
9	65
10	80
11	96
12	122
13	147
14	181
15	203
16	251
17	289
18	360
19	400
20	474
21	564
22	592
23	661
24	774
25	821
26	915
27	969
28	1015
29	1158
30	1311
31	1394
32	1522
33	1571
34	1820
35	1895
36	2028
37	2253
38	2378
39	2509
40	2779
41	2924
42	3154
43	3353
44	3590
45	3796
46	3997
47	4296
48	4432
49	4778
50	4850

[0, 1, 3, 7, 12, 20, 30, 44, 65, 80, 96, 122, 147, 181, 203, 251, 289, 360, 400, 474, 564, 592, 661, 774, 821, 915, 969, 1015, 1158, 1311, 1394, 1522, 1571, 1820, 1895, 2028, 2253, 2378, 2509, 2779, 2924, 3154, 3353, 3590, 3796, 3997, 4296, 4432, 4778, 4850]

cp's OEIS Frontend

A025582 A B_2 sequence: a(n) is the least value such that sequence increases and pairwise sums of elements are all distinct.

Table of values

List of values