A133743 - cp's OEIS frontend

A133743 a(n) is the smallest positive square such that pairwise sums of distinct elements are all distinct.

n	a(n)
1	1
2	4
3	9
4	16
5	25
6	36
7	49
8	100
9	144
10	169
11	225
12	256
13	361
14	441
15	484
16	625
17	729
18	784
19	1156
20	1521
21	1600
22	1764
23	2401
24	2704
25	3364
26	4096
27	4225
28	4356
29	4900
30	5184
31	5929
32	6889
33	7921
34	8836
35	9216
36	9409
37	10404
38	11881
39	13689
40	13924
41	14161
42	18496
43	19321
44	20449
45	21316

[1, 4, 9, 16, 25, 36, 49, 100, 144, 169, 225, 256, 361, 441, 484, 625, 729, 784, 1156, 1521, 1600, 1764, 2401, 2704, 3364, 4096, 4225, 4356, 4900, 5184, 5929, 6889, 7921, 8836, 9216, 9409, 10404, 11881, 13689, 13924, 14161, 18496, 19321, 20449, 21316]

cp's OEIS Frontend

A133743 a(n) is the smallest positive square such that pairwise sums of distinct elements are all distinct.

Table of values

List of values