A384003 - cp's OEIS frontend

A384003 Irregular triangle T(n,k), n >= 0, 0 <= k < 2^(n-1), where T(n,k) = Product_{j=0..n-1} prime(j+1)^((n-j)*d_j), where d_j is the bit with digit weight 2^j in the binary expansion of 2^(n-1)+k.

n	a(n)
0	1
1	2
2	3
3	12
4	5
5	40
6	45
7	360
8	7
9	112
10	189
11	3024
12	175
13	2800
14	4725
15	75600
16	11
17	352
18	891
19	28512
20	1375
21	44000
22	111375
23	3564000
24	539
25	17248
26	43659
27	1397088
28	67375
29	2156000
30	5457375
31	174636000
32	13
33	832
34	3159
35	202176
36	8125
37	520000
38	1974375
39	126360000
40	4459
41	285376
42	1083537

[1, 2, 3, 12, 5, 40, 45, 360, 7, 112, 189, 3024, 175, 2800, 4725, 75600, 11, 352, 891, 28512, 1375, 44000, 111375, 3564000, 539, 17248, 43659, 1397088, 67375, 2156000, 5457375, 174636000, 13, 832, 3159, 202176, 8125, 520000, 1974375, 126360000, 4459, 285376, 1083537]

cp's OEIS Frontend

A384003 Irregular triangle T(n,k), n >= 0, 0 <= k < 2^(n-1), where T(n,k) = Product_{j=0..n-1} prime(j+1)^((n-j)*d_j), where d_j is the bit with digit weight 2^j in the binary expansion of 2^(n-1)+k.

Table of values

List of values