A034757 - cp's OEIS frontend

A034757 a(1)=1, a(n) = smallest odd number such that all sums of pairs of (not necessarily distinct) terms in the sequence are distinct.

n	a(n)
1	1
2	3
3	7
4	15
5	25
6	41
7	61
8	89
9	131
10	161
11	193
12	245
13	295
14	363
15	407
16	503
17	579
18	721
19	801
20	949
21	1129
22	1185
23	1323
24	1549
25	1643
26	1831
27	1939
28	2031
29	2317
30	2623
31	2789
32	3045
33	3143
34	3641
35	3791
36	4057
37	4507
38	4757
39	5019
40	5559
41	5849
42	6309
43	6707
44	7181
45	7593

[1, 3, 7, 15, 25, 41, 61, 89, 131, 161, 193, 245, 295, 363, 407, 503, 579, 721, 801, 949, 1129, 1185, 1323, 1549, 1643, 1831, 1939, 2031, 2317, 2623, 2789, 3045, 3143, 3641, 3791, 4057, 4507, 4757, 5019, 5559, 5849, 6309, 6707, 7181, 7593]

cp's OEIS Frontend

A034757 a(1)=1, a(n) = smallest odd number such that all sums of pairs of (not necessarily distinct) terms in the sequence are distinct.

Table of values

List of values