A343528 - cp's OEIS frontend

A343528 Number of ways to write n as x^4 + T(y)^2 + T(z) + 2^w, where x,y,z are nonnegative integers, w is a positive integer, and T(m) denotes the triangular number m*(m+1)/2.

n	a(n)
1	0
2	1
3	3
4	4
5	5
6	5
7	3
8	4
9	6
10	5
11	5
12	6
13	5
14	6
15	6
16	4
17	7
18	10
19	10
20	9
21	7
22	4
23	7
24	10
25	7
26	8
27	9
28	7
29	5
30	7
31	7
32	10
33	13
34	9
35	8
36	7
37	5
38	8
39	14
40	9
41	10
42	11
43	6
44	9
45	10
46	8
47	10
48	13
49	8
50	7
51	6
52	5
53	11
54	15
55	9
56	7
57	8
58	6
59	8
60	10
61	10
62	10
63	10
64	6
65	7
66	9
67	6
68	10
69	17
70	10
71	9
72	9
73	6
74	10
75	10
76	6
77	9
78	9
79	6
80	10
81	9
82	6
83	11
84	14
85	8
86	11
87	11
88	9
89	11
90	11

[0, 1, 3, 4, 5, 5, 3, 4, 6, 5, 5, 6, 5, 6, 6, 4, 7, 10, 10, 9, 7, 4, 7, 10, 7, 8, 9, 7, 5, 7, 7, 10, 13, 9, 8, 7, 5, 8, 14, 9, 10, 11, 6, 9, 10, 8, 10, 13, 8, 7, 6, 5, 11, 15, 9, 7, 8, 6, 8, 10, 10, 10, 10, 6, 7, 9, 6, 10, 17, 10, 9, 9, 6, 10, 10, 6, 9, 9, 6, 10, 9, 6, 11, 14, 8, 11, 11, 9, 11, 11]

cp's OEIS Frontend

A343528 Number of ways to write n as x^4 + T(y)^2 + T(z) + 2^w, where x,y,z are nonnegative integers, w is a positive integer, and T(m) denotes the triangular number m*(m+1)/2.

Table of values

List of values

n	a(n)
1	0
2	1
3	3
4	4
5	5
6	5
7	3
8	4
9	6
10	5
11	5
12	6
13	5
14	6
15	6
16	4
17	7
18	10
19	10
20	9
21	7
22	4
23	7
24	10
25	7
26	8
27	9
28	7
29	5
30	7
31	7
32	10
33	13
34	9
35	8
36	7
37	5
38	8
39	14
40	9
41	10
42	11
43	6
44	9
45	10
46	8
47	10
48	13
49	8
50	7
51	6
52	5
53	11
54	15
55	9
56	7
57	8
58	6
59	8
60	10
61	10
62	10
63	10
64	6
65	7
66	9
67	6
68	10
69	17
70	10
71	9
72	9
73	6
74	10
75	10
76	6
77	9
78	9
79	6
80	10
81	9
82	6
83	11
84	14
85	8
86	11
87	11
88	9
89	11
90	11

n	a(n)
1	0
2	1
3	3
4	4
5	5
6	5
7	3
8	4
9	6
10	5
11	5
12	6
13	5
14	6
15	6
16	4
17	7
18	10
19	10
20	9
21	7
22	4
23	7
24	10
25	7
26	8
27	9
28	7
29	5
30	7
31	7
32	10
33	13
34	9
35	8
36	7
37	5
38	8
39	14
40	9
41	10
42	11
43	6
44	9
45	10
46	8
47	10
48	13
49	8
50	7
51	6
52	5
53	11
54	15
55	9
56	7
57	8
58	6
59	8
60	10
61	10
62	10
63	10
64	6
65	7
66	9
67	6
68	10
69	17
70	10
71	9
72	9
73	6
74	10
75	10
76	6
77	9
78	9
79	6
80	10
81	9
82	6
83	11
84	14
85	8
86	11
87	11
88	9
89	11
90	11

n	a(n)
1	0
2	1
3	3
4	4
5	5
6	5
7	3
8	4
9	6
10	5
11	5
12	6
13	5
14	6
15	6
16	4
17	7
18	10
19	10
20	9
21	7
22	4
23	7
24	10
25	7
26	8
27	9
28	7
29	5
30	7
31	7
32	10
33	13
34	9
35	8
36	7
37	5
38	8
39	14
40	9
41	10
42	11
43	6
44	9
45	10
46	8
47	10
48	13
49	8
50	7
51	6
52	5
53	11
54	15
55	9
56	7
57	8
58	6
59	8
60	10
61	10
62	10
63	10
64	6
65	7
66	9
67	6
68	10
69	17
70	10
71	9
72	9
73	6
74	10
75	10
76	6
77	9
78	9
79	6
80	10
81	9
82	6
83	11
84	14
85	8
86	11
87	11
88	9
89	11
90	11