A210376 - cp's OEIS frontend

A210376 Number of 2 X 2 matrices with all terms in {0,1,...,n} and (sum of terms) = n + 4.

n	a(n)
0	0
1	0
2	10
3	40
4	85
5	140
6	206
7	284
8	375
9	480
10	600
11	736
12	889
13	1060
14	1250
15	1460
16	1691
17	1944
18	2220
19	2520
20	2845
21	3196
22	3574
23	3980
24	4415
25	4880
26	5376
27	5904
28	6465
29	7060
30	7690
31	8356
32	9059
33	9800
34	10580
35	11400
36	12261
37	13164
38	14110
39	15100
40	16135
41	17216

[0, 0, 10, 40, 85, 140, 206, 284, 375, 480, 600, 736, 889, 1060, 1250, 1460, 1691, 1944, 2220, 2520, 2845, 3196, 3574, 3980, 4415, 4880, 5376, 5904, 6465, 7060, 7690, 8356, 9059, 9800, 10580, 11400, 12261, 13164, 14110, 15100, 16135, 17216]

cp's OEIS Frontend

A210376 Number of 2 X 2 matrices with all terms in {0,1,...,n} and (sum of terms) = n + 4.

Table of values

List of values