A000292 - cp's OEIS frontend

A000292 Tetrahedral (or triangular pyramidal) numbers: a(n) = C(n+2,3) = n(n+1)(n+2)/6.

n	a(n)
0	0
1	1
2	4
3	10
4	20
5	35
6	56
7	84
8	120
9	165
10	220
11	286
12	364
13	455
14	560
15	680
16	816
17	969
18	1140
19	1330
20	1540
21	1771
22	2024
23	2300
24	2600
25	2925
26	3276
27	3654
28	4060
29	4495
30	4960
31	5456
32	5984
33	6545
34	7140
35	7770
36	8436
37	9139
38	9880
39	10660
40	11480
41	12341
42	13244
43	14190
44	15180

[0, 1, 4, 10, 20, 35, 56, 84, 120, 165, 220, 286, 364, 455, 560, 680, 816, 969, 1140, 1330, 1540, 1771, 2024, 2300, 2600, 2925, 3276, 3654, 4060, 4495, 4960, 5456, 5984, 6545, 7140, 7770, 8436, 9139, 9880, 10660, 11480, 12341, 13244, 14190, 15180]

cp's OEIS Frontend

A000292 Tetrahedral (or triangular pyramidal) numbers: a(n) = C(n+2,3) = n(n+1)(n+2)/6.

Table of values

List of values

cp's OEIS Frontend

A000292 Tetrahedral (or triangular pyramidal) numbers: a(n) = C(n+2,3) = n*(n+1)*(n+2)/6.

Table of values

List of values

A000292 Tetrahedral (or triangular pyramidal) numbers: a(n) = C(n+2,3) = n(n+1)(n+2)/6.