A211798 - cp's OEIS frontend

A211798 R(k,n) = Sum_{y=1..n} Sum_{x=1..n} floor((x^k + y^k)^(1/k)), square array read by descending antidiagonals.

n	a(n)
1	2
2	12
3	1
4	36
5	7
6	1
7	80
8	23
9	7
10	1
11	150
12	54
13	22
14	7
15	1
16	252
17	103
18	51
19	22
20	7
21	1
22	392
23	175
24	97
25	50
26	22
27	7
28	1
29	576
30	276
31	164
32	95
33	50
34	22
35	7
36	1
37	810
38	409
39	258
40	162
41	95
42	50
43	22
44	7
45	1
46	1100
47	579
48	382
49	254
50	161
51	95
52	50
53	22
54	7
55	1
56	1452
57	791
58	541
59	375
60	253
61	161
62	95
63	50
64	22

[2, 12, 1, 36, 7, 1, 80, 23, 7, 1, 150, 54, 22, 7, 1, 252, 103, 51, 22, 7, 1, 392, 175, 97, 50, 22, 7, 1, 576, 276, 164, 95, 50, 22, 7, 1, 810, 409, 258, 162, 95, 50, 22, 7, 1, 1100, 579, 382, 254, 161, 95, 50, 22, 7, 1, 1452, 791, 541, 375, 253, 161, 95, 50, 22]

cp's OEIS Frontend

A211798 R(k,n) = Sum_{y=1..n} Sum_{x=1..n} floor((x^k + y^k)^(1/k)), square array read by descending antidiagonals.

Table of values

List of values