A254885 - cp's OEIS frontend

A254885 Number of ways to write n as the sum of two squares and a positive triangular number.

n	a(n)
1	1
2	1
3	2
4	1
5	2
6	2
7	2
8	2
9	1
10	3
11	4
12	2
13	1
14	3
15	3
16	3
17	2
18	2
19	5
20	3
21	3
22	2
23	5
24	2
25	2
26	5
27	2
28	5
29	3
30	4
31	4
32	4
33	3
34	1
35	6
36	3
37	5
38	5
39	3
40	5
41	5
42	3
43	2
44	5
45	3
46	8
47	5
48	2
49	3
50	4
51	5
52	3
53	8
54	4
55	7
56	6
57	3
58	3
59	4
60	5
61	5
62	6
63	3
64	5
65	7
66	4
67	4
68	8
69	2
70	6
71	9
72	2
73	6
74	6
75	6
76	4
77	4
78	5
79	6
80	7
81	5
82	6
83	6
84	4
85	4
86	11
87	4
88	6
89	5
90	3
91	9
92	6
93	5
94	4
95	11
96	6
97	3
98	4
99	3
100	9

[1, 1, 2, 1, 2, 2, 2, 2, 1, 3, 4, 2, 1, 3, 3, 3, 2, 2, 5, 3, 3, 2, 5, 2, 2, 5, 2, 5, 3, 4, 4, 4, 3, 1, 6, 3, 5, 5, 3, 5, 5, 3, 2, 5, 3, 8, 5, 2, 3, 4, 5, 3, 8, 4, 7, 6, 3, 3, 4, 5, 5, 6, 3, 5, 7, 4, 4, 8, 2, 6, 9, 2, 6, 6, 6, 4, 4, 5, 6, 7, 5, 6, 6, 4, 4, 11, 4, 6, 5, 3, 9, 6, 5, 4, 11, 6, 3, 4, 3, 9]

cp's OEIS Frontend

A254885 Number of ways to write n as the sum of two squares and a positive triangular number.

Table of values

List of values

n	a(n)
1	1
2	1
3	2
4	1
5	2
6	2
7	2
8	2
9	1
10	3
11	4
12	2
13	1
14	3
15	3
16	3
17	2
18	2
19	5
20	3
21	3
22	2
23	5
24	2
25	2
26	5
27	2
28	5
29	3
30	4
31	4
32	4
33	3
34	1
35	6
36	3
37	5
38	5
39	3
40	5
41	5
42	3
43	2
44	5
45	3
46	8
47	5
48	2
49	3
50	4
51	5
52	3
53	8
54	4
55	7
56	6
57	3
58	3
59	4
60	5
61	5
62	6
63	3
64	5
65	7
66	4
67	4
68	8
69	2
70	6
71	9
72	2
73	6
74	6
75	6
76	4
77	4
78	5
79	6
80	7
81	5
82	6
83	6
84	4
85	4
86	11
87	4
88	6
89	5
90	3
91	9
92	6
93	5
94	4
95	11
96	6
97	3
98	4
99	3
100	9

n	a(n)
1	1
2	1
3	2
4	1
5	2
6	2
7	2
8	2
9	1
10	3
11	4
12	2
13	1
14	3
15	3
16	3
17	2
18	2
19	5
20	3
21	3
22	2
23	5
24	2
25	2
26	5
27	2
28	5
29	3
30	4
31	4
32	4
33	3
34	1
35	6
36	3
37	5
38	5
39	3
40	5
41	5
42	3
43	2
44	5
45	3
46	8
47	5
48	2
49	3
50	4
51	5
52	3
53	8
54	4
55	7
56	6
57	3
58	3
59	4
60	5
61	5
62	6
63	3
64	5
65	7
66	4
67	4
68	8
69	2
70	6
71	9
72	2
73	6
74	6
75	6
76	4
77	4
78	5
79	6
80	7
81	5
82	6
83	6
84	4
85	4
86	11
87	4
88	6
89	5
90	3
91	9
92	6
93	5
94	4
95	11
96	6
97	3
98	4
99	3
100	9

n	a(n)
1	1
2	1
3	2
4	1
5	2
6	2
7	2
8	2
9	1
10	3
11	4
12	2
13	1
14	3
15	3
16	3
17	2
18	2
19	5
20	3
21	3
22	2
23	5
24	2
25	2
26	5
27	2
28	5
29	3
30	4
31	4
32	4
33	3
34	1
35	6
36	3
37	5
38	5
39	3
40	5
41	5
42	3
43	2
44	5
45	3
46	8
47	5
48	2
49	3
50	4
51	5
52	3
53	8
54	4
55	7
56	6
57	3
58	3
59	4
60	5
61	5
62	6
63	3
64	5
65	7
66	4
67	4
68	8
69	2
70	6
71	9
72	2
73	6
74	6
75	6
76	4
77	4
78	5
79	6
80	7
81	5
82	6
83	6
84	4
85	4
86	11
87	4
88	6
89	5
90	3
91	9
92	6
93	5
94	4
95	11
96	6
97	3
98	4
99	3
100	9