A114646 - cp's OEIS frontend

A114646 Let M(n) be the n X n matrix m(i,j)=min(i,j) for 1<=i,j<=n then a(n) is the trace of M(n)^(-4).

n	a(n)
1	1
2	47
3	117
4	187
5	257
6	327
7	397
8	467
9	537
10	607
11	677
12	747
13	817
14	887
15	957
16	1027
17	1097
18	1167
19	1237
20	1307
21	1377
22	1447
23	1517
24	1587
25	1657
26	1727
27	1797
28	1867
29	1937
30	2007
31	2077
32	2147
33	2217
34	2287
35	2357
36	2427
37	2497
38	2567
39	2637
40	2707
41	2777
42	2847
43	2917
44	2987
45	3057

[1, 47, 117, 187, 257, 327, 397, 467, 537, 607, 677, 747, 817, 887, 957, 1027, 1097, 1167, 1237, 1307, 1377, 1447, 1517, 1587, 1657, 1727, 1797, 1867, 1937, 2007, 2077, 2147, 2217, 2287, 2357, 2427, 2497, 2567, 2637, 2707, 2777, 2847, 2917, 2987, 3057]

cp's OEIS Frontend

A114646 Let M(n) be the n X n matrix m(i,j)=min(i,j) for 1<=i,j<=n then a(n) is the trace of M(n)^(-4).

Table of values

List of values