A212744 - cp's OEIS frontend

A212744 Number of (w,x,y,z) with all terms in {0,...,n} and w=max{w,x,y,z}-min{w,x,y,z}; i.e., the range of (w,x,y,z) is its first term.

n	a(n)
0	1
1	8
2	34
3	83
4	181
5	314
6	532
7	791
8	1177
9	1604
10	2206
11	2843
12	3709
13	4598
14	5776
15	6959
16	8497
17	10016
18	11962
19	13859
20	16261
21	18578
22	21484
23	24263
24	27721
25	31004
26	35062
27	38891
28	43597
29	48014
30	53416
31	58463
32	64609
33	70328
34	77266
35	83699
36	91477
37	98666
38	107332
39	115319
40	124921

[1, 8, 34, 83, 181, 314, 532, 791, 1177, 1604, 2206, 2843, 3709, 4598, 5776, 6959, 8497, 10016, 11962, 13859, 16261, 18578, 21484, 24263, 27721, 31004, 35062, 38891, 43597, 48014, 53416, 58463, 64609, 70328, 77266, 83699, 91477, 98666, 107332, 115319, 124921]

cp's OEIS Frontend

A212744 Number of (w,x,y,z) with all terms in {0,...,n} and w=max{w,x,y,z}-min{w,x,y,z}; i.e., the range of (w,x,y,z) is its first term.

Table of values

List of values