A212959 - cp's OEIS frontend

A212959 Number of (w,x,y) such that w,x,y are all in {0,...,n} and |w-x| = |x-y|.

n	a(n)
0	1
1	4
2	11
3	20
4	33
5	48
6	67
7	88
8	113
9	140
10	171
11	204
12	241
13	280
14	323
15	368
16	417
17	468
18	523
19	580
20	641
21	704
22	771
23	840
24	913
25	988
26	1067
27	1148
28	1233
29	1320
30	1411
31	1504
32	1601
33	1700
34	1803
35	1908
36	2017
37	2128
38	2243
39	2360
40	2481
41	2604
42	2731
43	2860
44	2993
45	3128
46	3267

[1, 4, 11, 20, 33, 48, 67, 88, 113, 140, 171, 204, 241, 280, 323, 368, 417, 468, 523, 580, 641, 704, 771, 840, 913, 988, 1067, 1148, 1233, 1320, 1411, 1504, 1601, 1700, 1803, 1908, 2017, 2128, 2243, 2360, 2481, 2604, 2731, 2860, 2993, 3128, 3267]

cp's OEIS Frontend

A212959 Number of (w,x,y) such that w,x,y are all in {0,...,n} and |w-x| = |x-y|.

Table of values

List of values