A246469 - cp's OEIS frontend

A246469 Given a number of k digits x = d_(k)10^(k-1) + d_(k-1)10^(k-2) + … + d_(2)10 + d_(1), consider y = p_(1)^d_(k)p_(2)^d_(k-1)…p_(k)^d_(1), where p_(i) is the i-th prime. Sequence lists the numbers x such that y / x is an integer.

n	a(n)
1	1
2	2
3	4
4	8
5	18
6	27
7	36
8	48
9	54
10	64
11	72
12	96
13	125
14	135
15	162
16	225
17	375
18	432
19	486
20	625
21	648
22	675
23	864
24	972
25	1225
26	1250
27	1323
28	1350
29	1575
30	1701
31	1715
32	1875
33	2250
34	2646
35	2835
36	2916
37	3375
38	3528
39	3645
40	3675
41	3750
42	3969
43	4116
44	4375
45	4536
46	4725
47	4860
48	5145
49	5488
50	5832

[1, 2, 4, 8, 18, 27, 36, 48, 54, 64, 72, 96, 125, 135, 162, 225, 375, 432, 486, 625, 648, 675, 864, 972, 1225, 1250, 1323, 1350, 1575, 1701, 1715, 1875, 2250, 2646, 2835, 2916, 3375, 3528, 3645, 3675, 3750, 3969, 4116, 4375, 4536, 4725, 4860, 5145, 5488, 5832]

cp's OEIS Frontend

A246469 Given a number of k digits x = d_(k)10^(k-1) + d_(k-1)10^(k-2) + … + d_(2)10 + d_(1), consider y = p_(1)^d_(k)p_(2)^d_(k-1)…p_(k)^d_(1), where p_(i) is the i-th prime. Sequence lists the numbers x such that y / x is an integer.

Table of values

List of values

cp's OEIS Frontend

A246469 Given a number of k digits x = d_(k)*10^(k-1) + d_(k-1)*10^(k-2) + … + d_(2)*10 + d_(1), consider y = p_(1)^d_(k)*p_(2)^d_(k-1)*…*p_(k)^d_(1), where p_(i) is the i-th prime. Sequence lists the numbers x such that y / x is an integer.

Table of values

List of values

A246469 Given a number of k digits x = d_(k)10^(k-1) + d_(k-1)10^(k-2) + … + d_(2)10 + d_(1), consider y = p_(1)^d_(k)p_(2)^d_(k-1)…p_(k)^d_(1), where p_(i) is the i-th prime. Sequence lists the numbers x such that y / x is an integer.