A338131 - cp's OEIS frontend

A338131 Triangle read by rows, T(n, k) = k^(n - k) + Sum_{i = 1..n-k} k^(n - k - i)*2^(i - 1), for 0 <= k <= n.

n	a(n)
0	1
1	1
2	1
3	2
4	2
5	1
6	4
7	4
8	3
9	1
10	8
11	8
12	8
13	4
14	1
15	16
16	16
17	20
18	14
19	5
20	1
21	32
22	32
23	48
24	46
25	22
26	6
27	1
28	64
29	64
30	112
31	146
32	92
33	32
34	7
35	1
36	128
37	128
38	256
39	454
40	376
41	164
42	44
43	8
44	1
45	256
46	256
47	576
48	1394
49	1520
50	828
51	268
52	58
53	9
54	1
55	512
56	512
57	1280
58	4246
59	6112
60	4156
61	1616
62	410
63	74
64	10
65	1

[1, 1, 1, 2, 2, 1, 4, 4, 3, 1, 8, 8, 8, 4, 1, 16, 16, 20, 14, 5, 1, 32, 32, 48, 46, 22, 6, 1, 64, 64, 112, 146, 92, 32, 7, 1, 128, 128, 256, 454, 376, 164, 44, 8, 1, 256, 256, 576, 1394, 1520, 828, 268, 58, 9, 1, 512, 512, 1280, 4246, 6112, 4156, 1616, 410, 74, 10, 1]

cp's OEIS Frontend

A338131 Triangle read by rows, T(n, k) = k^(n - k) + Sum_{i = 1..n-k} k^(n - k - i)*2^(i - 1), for 0 <= k <= n.

Table of values

List of values