A329947 - cp's OEIS frontend

A329947 Integers k such that the radical of the cumulative product of k^k/k! equals its predecessor.

n	a(n)
1	1
2	12
3	30
4	36
5	40
6	60
7	70
8	72
9	96
10	108
11	112
12	126
13	150
14	175
15	180
16	192
17	198
18	210
19	224
20	240
21	270
22	280
23	306
24	312
25	324
26	330
27	336
28	350
29	351
30	352
31	378
32	384
33	396
34	399
35	400
36	408
37	418
38	420
39	432
40	440
41	441
42	442
43	448
44	455
45	456
46	462
47	475
48	490
49	494
50	520
51	539
52	540
53	546
54	560

[1, 12, 30, 36, 40, 60, 70, 72, 96, 108, 112, 126, 150, 175, 180, 192, 198, 210, 224, 240, 270, 280, 306, 312, 324, 330, 336, 350, 351, 352, 378, 384, 396, 399, 400, 408, 418, 420, 432, 440, 441, 442, 448, 455, 456, 462, 475, 490, 494, 520, 539, 540, 546, 560]

cp's OEIS Frontend

A329947 Integers k such that the radical of the cumulative product of k^k/k! equals its predecessor.

Table of values

List of values

n	a(n)
1	1
2	12
3	30
4	36
5	40
6	60
7	70
8	72
9	96
10	108
11	112
12	126
13	150
14	175
15	180
16	192
17	198
18	210
19	224
20	240
21	270
22	280
23	306
24	312
25	324
26	330
27	336
28	350
29	351
30	352
31	378
32	384
33	396
34	399
35	400
36	408
37	418
38	420
39	432
40	440
41	441
42	442
43	448
44	455
45	456
46	462
47	475
48	490
49	494
50	520
51	539
52	540
53	546
54	560

n	a(n)
1	1
2	12
3	30
4	36
5	40
6	60
7	70
8	72
9	96
10	108
11	112
12	126
13	150
14	175
15	180
16	192
17	198
18	210
19	224
20	240
21	270
22	280
23	306
24	312
25	324
26	330
27	336
28	350
29	351
30	352
31	378
32	384
33	396
34	399
35	400
36	408
37	418
38	420
39	432
40	440
41	441
42	442
43	448
44	455
45	456
46	462
47	475
48	490
49	494
50	520
51	539
52	540
53	546
54	560

n	a(n)
1	1
2	12
3	30
4	36
5	40
6	60
7	70
8	72
9	96
10	108
11	112
12	126
13	150
14	175
15	180
16	192
17	198
18	210
19	224
20	240
21	270
22	280
23	306
24	312
25	324
26	330
27	336
28	350
29	351
30	352
31	378
32	384
33	396
34	399
35	400
36	408
37	418
38	420
39	432
40	440
41	441
42	442
43	448
44	455
45	456
46	462
47	475
48	490
49	494
50	520
51	539
52	540
53	546
54	560