A344686 - cp's OEIS frontend

A344686 Triangle T(n, k) obtained from the array N2(a, b) = a^2 - a*b - b^2, for a >= 0 and b >= 0, read by upwards antidiagonals.

n	a(n)
0	0
1	1
2	-1
3	4
4	-1
5	-4
6	9
7	1
8	-5
9	-9
10	16
11	5
12	-4
13	-11
14	-16
15	25
16	11
17	-1
18	-11
19	-19
20	-25
21	36
22	19
23	4
24	-9
25	-20
26	-29
27	-36
28	49
29	29
30	11
31	-5
32	-19
33	-31
34	-41
35	-49
36	64
37	41
38	20
39	1
40	-16
41	-31
42	-44
43	-55
44	-64
45	81
46	55
47	31
48	9
49	-11
50	-29
51	-45
52	-59
53	-71
54	-81
55	100
56	71
57	44
58	19
59	-4
60	-25
61	-44
62	-61
63	-76
64	-89
65	-100

[0, 1, -1, 4, -1, -4, 9, 1, -5, -9, 16, 5, -4, -11, -16, 25, 11, -1, -11, -19, -25, 36, 19, 4, -9, -20, -29, -36, 49, 29, 11, -5, -19, -31, -41, -49, 64, 41, 20, 1, -16, -31, -44, -55, -64, 81, 55, 31, 9, -11, -29, -45, -59, -71, -81, 100, 71, 44, 19, -4, -25, -44, -61, -76, -89, -100]

cp's OEIS Frontend

A344686 Triangle T(n, k) obtained from the array N2(a, b) = a^2 - a*b - b^2, for a >= 0 and b >= 0, read by upwards antidiagonals.

Table of values

List of values