A080430 - cp's OEIS frontend

A080430 a(n) = least odd number such that all pairwise sums a(i) + a(j), i < j <= n, are distinct.

n	a(n)
1	1
2	3
3	5
4	9
5	15
6	25
7	41
8	59
9	77
10	105
11	147
12	189
13	255
14	303
15	363
16	423
17	515
18	631
19	747
20	825
21	951
22	1061
23	1091
24	1215
25	1433
26	1595
27	1723
28	1929
29	2119
30	2321
31	2613
32	2771
33	2869
34	3111
35	3443
36	3667
37	3867
38	4115
39	4521
40	4993
41	5397
42	5747
43	6121
44	6393
45	6663
46	7257
47	7423
48	7735
49	8279

[1, 3, 5, 9, 15, 25, 41, 59, 77, 105, 147, 189, 255, 303, 363, 423, 515, 631, 747, 825, 951, 1061, 1091, 1215, 1433, 1595, 1723, 1929, 2119, 2321, 2613, 2771, 2869, 3111, 3443, 3667, 3867, 4115, 4521, 4993, 5397, 5747, 6121, 6393, 6663, 7257, 7423, 7735, 8279]

cp's OEIS Frontend

A080430 a(n) = least odd number such that all pairwise sums a(i) + a(j), i < j <= n, are distinct.

Table of values

List of values