A341654 - cp's OEIS frontend

A341654 Table read by antidiagonals upward: |T(n,k)| is the smallest number j such that j and j+1 have n and k divisors, respectively, or 0 if no such number exists, and the sign of T(n,k) is positive iff there exists only one such number j.

n	a(n)
1	0
2	0
3	1
4	0
5	2
6	0
7	0
8	4
9	3
10	0
11	0
12	-6
13	0
14	-5
15	0
16	0
17	16
18	8
19	-9
20	0
21	0
22	0
23	-12
24	0
25	-14
26	0
27	-11
28	0
29	0
30	0
31	0
32	-81
33	15
34	-49
35	0
36	0
37	0
38	-30
39	0
40	-20
41	0
42	-27
43	0
44	-23
45	0
46	0
47	-36
48	24
49	64
50	0
51	0
52	0
53	-169
54	0
55	0
56	0
57	-112
58	0
59	-54
60	0
61	-44
62	0
63	-39
64	0
65	-47
66	0
67	0
68	0
69	48
70	-225
71	0
72	0
73	63
74	-130321
75	35
76	57121
77	0
78	0

[0, 0, 1, 0, 2, 0, 0, 4, 3, 0, 0, -6, 0, -5, 0, 0, 16, 8, -9, 0, 0, 0, -12, 0, -14, 0, -11, 0, 0, 0, 0, -81, 15, -49, 0, 0, 0, -30, 0, -20, 0, -27, 0, -23, 0, 0, -36, 24, 64, 0, 0, 0, -169, 0, 0, 0, -112, 0, -54, 0, -44, 0, -39, 0, -47, 0, 0, 0, 48, -225, 0, 0, 63, -130321, 35, 57121, 0, 0]

cp's OEIS Frontend

A341654 Table read by antidiagonals upward: |T(n,k)| is the smallest number j such that j and j+1 have n and k divisors, respectively, or 0 if no such number exists, and the sign of T(n,k) is positive iff there exists only one such number j.

Table of values

List of values