A066573 - cp's OEIS frontend

A066573 Pairs (x, y), x < y, of f-amicable numbers where f(k) = floor(|k*sin(k)|) sorted by increasing y, then increasing x; f-amicable numbers are defined in A066511.

n	a(n)
1	1
2	3
3	22
4	223
5	283
6	355
7	22
8	421
9	389
10	1065
11	365
12	1508
13	2130
14	3079
15	1065
16	69203
17	51872
18	127539
19	83282
20	128604
21	152628
22	252271
23	191963
24	295294
25	130252
26	459590
27	717615
28	1401314
29	2840
30	7189717
31	1258370
32	10269235
33	2130
34	11671711
35	11519862
36	19177306
37	17002972
38	21316045

[1, 3, 22, 223, 283, 355, 22, 421, 389, 1065, 365, 1508, 2130, 3079, 1065, 69203, 51872, 127539, 83282, 128604, 152628, 252271, 191963, 295294, 130252, 459590, 717615, 1401314, 2840, 7189717, 1258370, 10269235, 2130, 11671711, 11519862, 19177306, 17002972, 21316045]

cp's OEIS Frontend

A066573 Pairs (x, y), x < y, of f-amicable numbers where f(k) = floor(|k*sin(k)|) sorted by increasing y, then increasing x; f-amicable numbers are defined in A066511.

Table of values

List of values