A378133 - cp's OEIS frontend

A378133 Irregular triangle T(n,k) = P(n)*2^k, n >= 0, k = 0..floor(log_2 prime(k+1)), where P = A002110.

n	a(n)
0	1
1	2
2	4
3	6
4	12
5	24
6	30
7	60
8	120
9	210
10	420
11	840
12	1680
13	2310
14	4620
15	9240
16	18480
17	30030
18	60060
19	120120
20	240240
21	480480
22	510510
23	1021020
24	2042040
25	4084080
26	8168160
27	9699690
28	19399380
29	38798760
30	77597520
31	155195040
32	223092870
33	446185740
34	892371480
35	1784742960
36	3569485920

[1, 2, 4, 6, 12, 24, 30, 60, 120, 210, 420, 840, 1680, 2310, 4620, 9240, 18480, 30030, 60060, 120120, 240240, 480480, 510510, 1021020, 2042040, 4084080, 8168160, 9699690, 19399380, 38798760, 77597520, 155195040, 223092870, 446185740, 892371480, 1784742960, 3569485920]

cp's OEIS Frontend

A378133 Irregular triangle T(n,k) = P(n)*2^k, n >= 0, k = 0..floor(log_2 prime(k+1)), where P = A002110.

Table of values

List of values