A285892 - cp's OEIS frontend

A285892 The greater of the lexicographically least pair (x, y) such that 0 < x < y and sigma(x) = sigma(y) = x + y - n.

n	a(n)
0	284
1	11697
2	38
3	369
4	26
5	11
6	286
7	3135
8	58
9	17
10	25
11	39
12	428
13	23
14	23
15	69
16	94
17	8225
18	244
19	41
20	31
21	87
22	478
23	59
24	82
25	41
26	118
27	267
28	142
29	71
30	4064
31	95
32	47
33	53
34	47
35	69
36	142
37	59
38	478
39	89
40	406
41	119
42	574
43	83
44	166
45	71
46	718
47	123
48	1292
49	205
50	71
51	97
52	418
53	143
54	71
55	295
56	79
57	89

[284, 11697, 38, 369, 26, 11, 286, 3135, 58, 17, 25, 39, 428, 23, 23, 69, 94, 8225, 244, 41, 31, 87, 478, 59, 82, 41, 118, 267, 142, 71, 4064, 95, 47, 53, 47, 69, 142, 59, 478, 89, 406, 119, 574, 83, 166, 71, 718, 123, 1292, 205, 71, 97, 418, 143, 71, 295, 79, 89]

cp's OEIS Frontend

A285892 The greater of the lexicographically least pair (x, y) such that 0 < x < y and sigma(x) = sigma(y) = x + y - n.

Table of values

List of values