A048149 - cp's OEIS frontend

A048149 Array T read by diagonals: T(i,j) = number of pairs (h,k) with h^2+k^2 <= i^2+j^2, h>=0, k >= 0.

n	a(n)
0	1
1	3
2	3
3	6
4	4
5	6
6	11
7	8
8	8
9	11
10	17
11	13
12	9
13	13
14	17
15	26
16	19
17	15
18	15
19	19
20	26
21	35
22	28
23	22
24	20
25	22
26	28
27	35
28	45
29	37
30	30
31	26
32	26
33	30
34	37
35	45
36	58
37	48
38	39
39	33
40	31
41	33
42	39
43	48
44	58
45	73
46	62
47	52
48	43
49	41
50	41
51	43
52	52
53	62
54	73
55	90
56	75
57	64
58	54
59	50
60	48
61	50
62	54
63	64
64	75
65	90

[1, 3, 3, 6, 4, 6, 11, 8, 8, 11, 17, 13, 9, 13, 17, 26, 19, 15, 15, 19, 26, 35, 28, 22, 20, 22, 28, 35, 45, 37, 30, 26, 26, 30, 37, 45, 58, 48, 39, 33, 31, 33, 39, 48, 58, 73, 62, 52, 43, 41, 41, 43, 52, 62, 73, 90, 75, 64, 54, 50, 48, 50, 54, 64, 75, 90]

cp's OEIS Frontend

A048149 Array T read by diagonals: T(i,j) = number of pairs (h,k) with h^2+k^2 <= i^2+j^2, h>=0, k >= 0.

Table of values

List of values

n	a(n)
0	1
1	3
2	3
3	6
4	4
5	6
6	11
7	8
8	8
9	11
10	17
11	13
12	9
13	13
14	17
15	26
16	19
17	15
18	15
19	19
20	26
21	35
22	28
23	22
24	20
25	22
26	28
27	35
28	45
29	37
30	30
31	26
32	26
33	30
34	37
35	45
36	58
37	48
38	39
39	33
40	31
41	33
42	39
43	48
44	58
45	73
46	62
47	52
48	43
49	41
50	41
51	43
52	52
53	62
54	73
55	90
56	75
57	64
58	54
59	50
60	48
61	50
62	54
63	64
64	75
65	90

n	a(n)
0	1
1	3
2	3
3	6
4	4
5	6
6	11
7	8
8	8
9	11
10	17
11	13
12	9
13	13
14	17
15	26
16	19
17	15
18	15
19	19
20	26
21	35
22	28
23	22
24	20
25	22
26	28
27	35
28	45
29	37
30	30
31	26
32	26
33	30
34	37
35	45
36	58
37	48
38	39
39	33
40	31
41	33
42	39
43	48
44	58
45	73
46	62
47	52
48	43
49	41
50	41
51	43
52	52
53	62
54	73
55	90
56	75
57	64
58	54
59	50
60	48
61	50
62	54
63	64
64	75
65	90

n	a(n)
0	1
1	3
2	3
3	6
4	4
5	6
6	11
7	8
8	8
9	11
10	17
11	13
12	9
13	13
14	17
15	26
16	19
17	15
18	15
19	19
20	26
21	35
22	28
23	22
24	20
25	22
26	28
27	35
28	45
29	37
30	30
31	26
32	26
33	30
34	37
35	45
36	58
37	48
38	39
39	33
40	31
41	33
42	39
43	48
44	58
45	73
46	62
47	52
48	43
49	41
50	41
51	43
52	52
53	62
54	73
55	90
56	75
57	64
58	54
59	50
60	48
61	50
62	54
63	64
64	75
65	90