A051672 - cp's OEIS frontend

A051672 Triangle of up-down sums of k-th powers: a(n,k)=sum(i^k,i=1..n)+sum((n-i)^k,i=1..n-1), n,k>0.

n	a(n)
1	1
2	4
3	1
4	9
5	6
6	1
7	16
8	19
9	10
10	1
11	25
12	44
13	45
14	18
15	1
16	36
17	85
18	136
19	115
20	34
21	1
22	49
23	146
24	325
25	452
26	309
27	66
28	1
29	64
30	231
31	666
32	1333
33	1576
34	859
35	130
36	1
37	81
38	344
39	1225
40	3254
41	5725
42	5684
43	2445
44	258
45	1
46	100
47	489
48	2080
49	6951
50	16626
51	25405
52	21016
53	7075
54	514
55	1
56	121

[1, 4, 1, 9, 6, 1, 16, 19, 10, 1, 25, 44, 45, 18, 1, 36, 85, 136, 115, 34, 1, 49, 146, 325, 452, 309, 66, 1, 64, 231, 666, 1333, 1576, 859, 130, 1, 81, 344, 1225, 3254, 5725, 5684, 2445, 258, 1, 100, 489, 2080, 6951, 16626, 25405, 21016, 7075, 514, 1, 121]

cp's OEIS Frontend

A051672 Triangle of up-down sums of k-th powers: a(n,k)=sum(i^k,i=1..n)+sum((n-i)^k,i=1..n-1), n,k>0.

Table of values

List of values