A227418 - cp's OEIS frontend

A227418 Array A(n,k) with all numbers m such that 3*m^2 +- 3^k is a square and their corresponding square roots, read by downward antidiagonals.

n	a(n)
0	0
1	1
2	1
3	0
4	2
5	4
6	3
7	3
8	7
9	15
10	0
11	6
12	12
13	26
14	56
15	9
16	9
17	21
18	45
19	97
20	209
21	0
22	18
23	36
24	78
25	168
26	362
27	780
28	27
29	27
30	63
31	135
32	291
33	627
34	1351
35	2911
36	0
37	54
38	108
39	234
40	504
41	1086
42	2340
43	5042
44	10864
45	81
46	81
47	189
48	405
49	873
50	1881
51	4053
52	8733
53	18817
54	40545

[0, 1, 1, 0, 2, 4, 3, 3, 7, 15, 0, 6, 12, 26, 56, 9, 9, 21, 45, 97, 209, 0, 18, 36, 78, 168, 362, 780, 27, 27, 63, 135, 291, 627, 1351, 2911, 0, 54, 108, 234, 504, 1086, 2340, 5042, 10864, 81, 81, 189, 405, 873, 1881, 4053, 8733, 18817, 40545]

cp's OEIS Frontend

A227418 Array A(n,k) with all numbers m such that 3*m^2 +- 3^k is a square and their corresponding square roots, read by downward antidiagonals.

Table of values

List of values