A064943 - cp's OEIS frontend

A064943 Number of integers with 2*n digits that are the sum of the squares of their halves (leading zeros count; 1 does not, to avoid the ambiguity 1 = 0^2 + 1^2 = 00^2 + 01^2 = 000^2 + 001^2 = ...).

n	a(n)
1	0
2	2
3	2
4	2
5	6
6	6
7	14
8	30
9	6
10	14
11	14
12	6
13	6
14	14
15	126
16	14
17	14
18	62
19	6
20	14
21	126
22	14
23	14
24	510
25	126
26	14
27	62
28	30
29	30
30	62
31	6
32	6
33	254
34	14
35	2046
36	30
37	126
38	62
39	126
40	510
41	6
42	254
43	6
44	14
45	2046
46	14
47	14
48	254
49	30
50	254
51	2046
52	254
53	30
54	254
55	4094
56	510
57	2046
58	126
59	6
60	254
61	30
62	126
63	2046
64	14

[0, 2, 2, 2, 6, 6, 14, 30, 6, 14, 14, 6, 6, 14, 126, 14, 14, 62, 6, 14, 126, 14, 14, 510, 126, 14, 62, 30, 30, 62, 6, 6, 254, 14, 2046, 30, 126, 62, 126, 510, 6, 254, 6, 14, 2046, 14, 14, 254, 30, 254, 2046, 254, 30, 254, 4094, 510, 2046, 126, 6, 254, 30, 126, 2046, 14]

cp's OEIS Frontend

A064943 Number of integers with 2*n digits that are the sum of the squares of their halves (leading zeros count; 1 does not, to avoid the ambiguity 1 = 0^2 + 1^2 = 00^2 + 01^2 = 000^2 + 001^2 = ...).

Table of values

List of values