A261929 - cp's OEIS frontend

A261929 a(n) is the number of different pairs (p,q) mod n not of the form (x*y,x+y) mod n for any (x,y).

n	a(n)
1	0
2	1
3	3
4	8
5	10
6	18
7	21
8	36
9	45
10	55
11	55
12	96
13	78
14	112
15	135
16	160
17	136
18	216
19	171
20	280
21	273
22	286
23	253
24	408
25	350
26	403
27	432
28	560
29	406
30	630
31	465
32	656
33	693
34	697
35	805
36	1008
37	666
38	874
39	975
40	1180
41	820
42	1260
43	903
44	1408
45	1485
46	1288
47	1081
48	1728
49	1323
50	1675
51	1683
52	1976
53	1378
54	2025
55	2035
56	2352
57	2109
58	2059
59	1711
60	2880
61	1830
62	2356

[0, 1, 3, 8, 10, 18, 21, 36, 45, 55, 55, 96, 78, 112, 135, 160, 136, 216, 171, 280, 273, 286, 253, 408, 350, 403, 432, 560, 406, 630, 465, 656, 693, 697, 805, 1008, 666, 874, 975, 1180, 820, 1260, 903, 1408, 1485, 1288, 1081, 1728, 1323, 1675, 1683, 1976, 1378, 2025, 2035, 2352, 2109, 2059, 1711, 2880, 1830, 2356]

cp's OEIS Frontend

A261929 a(n) is the number of different pairs (p,q) mod n not of the form (x*y,x+y) mod n for any (x,y).

Table of values

List of values