A285724 - cp's OEIS frontend

A285724 Square array read by descending antidiagonals: If n > k, A(n,k) = T(lcm(n,k), gcd(n,k)), otherwise A(n,k) = T(gcd(n,k), lcm(n,k)), where T(n,k) is sequence A000027 considered as a two-dimensional table.

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	16
9	21
10	10
11	11
12	12
13	13
14	14
15	15
16	16
17	46
18	67
19	78
20	55
21	21
22	22
23	23
24	106
25	25
26	120
27	27
28	28
29	29
30	92
31	31
32	191
33	210
34	34
35	105
36	36
37	37
38	38
39	211
40	80
41	41
42	90
43	231
44	44
45	45
46	46
47	154
48	277
49	379
50	436
51	465
52	406
53	300
54	171
55	55
56	56
57	57
58	58
59	59
60	596
61	61
62	630
63	63
64	64
65	65
66	66
67	67
68	232
69	436
70	631
71	781
72	862
73	903
74	820
75	666
76	465
77	253
78	78
79	79
80	80
81	529
82	212
83	991
84	302
85	85
86	324
87	1035
88	230
89	561
90	90
91	91

[1, 2, 3, 4, 5, 6, 7, 16, 21, 10, 11, 12, 13, 14, 15, 16, 46, 67, 78, 55, 21, 22, 23, 106, 25, 120, 27, 28, 29, 92, 31, 191, 210, 34, 105, 36, 37, 38, 211, 80, 41, 90, 231, 44, 45, 46, 154, 277, 379, 436, 465, 406, 300, 171, 55, 56, 57, 58, 59, 596, 61, 630, 63, 64, 65, 66, 67, 232, 436, 631, 781, 862, 903, 820, 666, 465, 253, 78, 79, 80, 529, 212, 991, 302, 85, 324, 1035, 230, 561, 90, 91]

cp's OEIS Frontend

A285724 Square array read by descending antidiagonals: If n > k, A(n,k) = T(lcm(n,k), gcd(n,k)), otherwise A(n,k) = T(gcd(n,k), lcm(n,k)), where T(n,k) is sequence A000027 considered as a two-dimensional table.

Table of values

List of values