A357490 - cp's OEIS frontend

A357490 Numbers k such that the k-th composition in standard order has integer geometric mean.

n	a(n)
1	1
2	2
3	3
4	4
5	7
6	8
7	10
8	15
9	16
10	17
11	24
12	31
13	32
14	36
15	42
16	63
17	64
18	69
19	70
20	81
21	88
22	98
23	104
24	127
25	128
26	136
27	170
28	255
29	256
30	277
31	278
32	282
33	292
34	325
35	326
36	337
37	344
38	354
39	360
40	394
41	418
42	424
43	511
44	512
45	513
46	514
47	515
48	528
49	547
50	561
51	568
52	640
53	682
54	768
55	769
56	785
57	792
58	896

[1, 2, 3, 4, 7, 8, 10, 15, 16, 17, 24, 31, 32, 36, 42, 63, 64, 69, 70, 81, 88, 98, 104, 127, 128, 136, 170, 255, 256, 277, 278, 282, 292, 325, 326, 337, 344, 354, 360, 394, 418, 424, 511, 512, 513, 514, 515, 528, 547, 561, 568, 640, 682, 768, 769, 785, 792, 896]

cp's OEIS Frontend

A357490 Numbers k such that the k-th composition in standard order has integer geometric mean.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	7
6	8
7	10
8	15
9	16
10	17
11	24
12	31
13	32
14	36
15	42
16	63
17	64
18	69
19	70
20	81
21	88
22	98
23	104
24	127
25	128
26	136
27	170
28	255
29	256
30	277
31	278
32	282
33	292
34	325
35	326
36	337
37	344
38	354
39	360
40	394
41	418
42	424
43	511
44	512
45	513
46	514
47	515
48	528
49	547
50	561
51	568
52	640
53	682
54	768
55	769
56	785
57	792
58	896

n	a(n)
1	1
2	2
3	3
4	4
5	7
6	8
7	10
8	15
9	16
10	17
11	24
12	31
13	32
14	36
15	42
16	63
17	64
18	69
19	70
20	81
21	88
22	98
23	104
24	127
25	128
26	136
27	170
28	255
29	256
30	277
31	278
32	282
33	292
34	325
35	326
36	337
37	344
38	354
39	360
40	394
41	418
42	424
43	511
44	512
45	513
46	514
47	515
48	528
49	547
50	561
51	568
52	640
53	682
54	768
55	769
56	785
57	792
58	896

n	a(n)
1	1
2	2
3	3
4	4
5	7
6	8
7	10
8	15
9	16
10	17
11	24
12	31
13	32
14	36
15	42
16	63
17	64
18	69
19	70
20	81
21	88
22	98
23	104
24	127
25	128
26	136
27	170
28	255
29	256
30	277
31	278
32	282
33	292
34	325
35	326
36	337
37	344
38	354
39	360
40	394
41	418
42	424
43	511
44	512
45	513
46	514
47	515
48	528
49	547
50	561
51	568
52	640
53	682
54	768
55	769
56	785
57	792
58	896