A212750 - cp's OEIS frontend

A212750 Number of (w,x,y,z) with all terms in {0,...,n} and at least one of these conditions holds: w=R, x=R, y where R = max{w,x,y,z} - min{w,x,y,z}.

n	a(n)
0	1
1	14
2	72
3	216
4	529
5	1070
6	1984
7	3336
8	5345
9	8070
10	11816
11	16624
12	22897
13	30646
14	40384
15	52080
16	66369
17	83166
18	103240
19	126440
20	153681
21	184734
22	220672
23	261176
24	307489
25	359190
26	417704
27	482496
28	555185
29	635110
30	724096
31	821344
32	928897

[1, 14, 72, 216, 529, 1070, 1984, 3336, 5345, 8070, 11816, 16624, 22897, 30646, 40384, 52080, 66369, 83166, 103240, 126440, 153681, 184734, 220672, 261176, 307489, 359190, 417704, 482496, 555185, 635110, 724096, 821344, 928897]

cp's OEIS Frontend

A212750 Number of (w,x,y,z) with all terms in {0,...,n} and at least one of these conditions holds: w=R, x=R, y where R = max{w,x,y,z} - min{w,x,y,z}.

Table of values

List of values