A344685 - cp's OEIS frontend

A344685 Triangle T(n, k) obtained from the array N1(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	5
8	-1
9	-9
10	16
11	11
12	4
13	-5
14	-16
15	25
16	19
17	11
18	1
19	-11
20	-25
21	36
22	29
23	20
24	9
25	-4
26	-19
27	-36
28	49
29	41
30	31
31	19
32	5
33	-11
34	-29
35	-49
36	64
37	55
38	44
39	31
40	16
41	-1
42	-20
43	-41
44	-64
45	81
46	71
47	59
48	45
49	29
50	11
51	-9
52	-31
53	-55
54	-81
55	100
56	89
57	76
58	61
59	44
60	25
61	4
62	-19
63	-44
64	-71
65	-100

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

cp's OEIS Frontend

A344685 Triangle T(n, k) obtained from the array N1(a, b) = a^2 + a*b - b^2, for a >= 0 and b >= 0, read by upwards antidiagonals.

Table of values

List of values