A212903 - cp's OEIS frontend

A212903 Number of (w,x,y,z) with all terms in {0,...,n} and |w-x|<=|x-y|<=|y-z|.

n	a(n)
0	1
1	8
2	35
3	94
4	209
5	398
6	697
7	1130
8	1743
9	2568
10	3661
11	5060
12	6833
13	9024
14	11711
15	14946
16	18817
17	23382
18	28741
19	34958
20	42143
21	50368
22	59753
23	70376
24	82369
25	95816
26	110859
27	127590
28	146161
29	166670
30	189281
31	214098
32	241295
33	270984
34	303349
35	338508

[1, 8, 35, 94, 209, 398, 697, 1130, 1743, 2568, 3661, 5060, 6833, 9024, 11711, 14946, 18817, 23382, 28741, 34958, 42143, 50368, 59753, 70376, 82369, 95816, 110859, 127590, 146161, 166670, 189281, 214098, 241295, 270984, 303349, 338508]

cp's OEIS Frontend

A212903 Number of (w,x,y,z) with all terms in {0,...,n} and |w-x|<=|x-y|<=|y-z|.

Table of values

List of values