A212981 - cp's OEIS frontend

A212981 Number of (w,x,y) with all terms in {0,...,n} and w <= x + y and x < y.

n	a(n)
0	0
1	2
2	8
3	21
4	43
5	77
6	125
7	190
8	274
9	380
10	510
11	667
12	853
13	1071
14	1323
15	1612
16	1940
17	2310
18	2724
19	3185
20	3695
21	4257
22	4873
23	5546
24	6278
25	7072
26	7930
27	8855
28	9849
29	10915
30	12055
31	13272
32	14568
33	15946
34	17408
35	18957
36	20595
37	22325
38	24149
39	26070
40	28090

[0, 2, 8, 21, 43, 77, 125, 190, 274, 380, 510, 667, 853, 1071, 1323, 1612, 1940, 2310, 2724, 3185, 3695, 4257, 4873, 5546, 6278, 7072, 7930, 8855, 9849, 10915, 12055, 13272, 14568, 15946, 17408, 18957, 20595, 22325, 24149, 26070, 28090]

cp's OEIS Frontend

A212981 Number of (w,x,y) with all terms in {0,...,n} and w <= x + y and x < y.

Table of values

List of values