A347594 - cp's OEIS frontend

A347594 a(0) = 1; for n>0, a(n) is the smallest positive integer such that a(n-1)^2 + n^2 + a(n) is a square.

n	a(n)
0	1
1	2
2	1
3	6
4	12
5	27
6	19
7	31
8	64
9	48
10	96
11	72
12	1
13	26
14	28
15	15
16	3
17	26
18	24
19	24
20	48
21	64
22	44
23	35
24	48
25	96
26	108
27	151
28	131
29	223
30	447
31	831
32	639
33	190
34	380
35	299
36	507
37	663
38	1212
39	904
40	209
41	7
42	36
43	104
44	17
45	87
46	116
47	211
48	264
49	264
50	165
51	103
52	143
53	151
54	204
55	303
56	536
57	1055
58	860
59	1688
60	3156
61	2592
62	1341
63	1399

[1, 2, 1, 6, 12, 27, 19, 31, 64, 48, 96, 72, 1, 26, 28, 15, 3, 26, 24, 24, 48, 64, 44, 35, 48, 96, 108, 151, 131, 223, 447, 831, 639, 190, 380, 299, 507, 663, 1212, 904, 209, 7, 36, 104, 17, 87, 116, 211, 264, 264, 165, 103, 143, 151, 204, 303, 536, 1055, 860, 1688, 3156, 2592, 1341, 1399]

cp's OEIS Frontend

A347594 a(0) = 1; for n>0, a(n) is the smallest positive integer such that a(n-1)^2 + n^2 + a(n) is a square.

Table of values

List of values