A379705 - cp's OEIS frontend

A379705 a(n) is the least integer k > n such that integers p, q exist for which n, p, k are in arithmetic and n, q, k are in geometric progression.

n	a(n)
1	9
2	8
3	27
4	16
5	45
6	24
7	63
8	18
9	25
10	40
11	99
12	48
13	117
14	56
15	135
16	36
17	153
18	32
19	171
20	80
21	189
22	88
23	207
24	54
25	49
26	104
27	75
28	112
29	261
30	120
31	279
32	50
33	297
34	136
35	315
36	64
37	333
38	152
39	351
40	90
41	369
42	168
43	387
44	176
45	125
46	184
47	423
48	108
49	81
50	72
51	459
52	208
53	477
54	96
55	495
56	126
57	513
58	232

[9, 8, 27, 16, 45, 24, 63, 18, 25, 40, 99, 48, 117, 56, 135, 36, 153, 32, 171, 80, 189, 88, 207, 54, 49, 104, 75, 112, 261, 120, 279, 50, 297, 136, 315, 64, 333, 152, 351, 90, 369, 168, 387, 176, 125, 184, 423, 108, 81, 72, 459, 208, 477, 96, 495, 126, 513, 232]

cp's OEIS Frontend

A379705 a(n) is the least integer k > n such that integers p, q exist for which n, p, k are in arithmetic and n, q, k are in geometric progression.

Table of values

List of values

n	a(n)
1	9
2	8
3	27
4	16
5	45
6	24
7	63
8	18
9	25
10	40
11	99
12	48
13	117
14	56
15	135
16	36
17	153
18	32
19	171
20	80
21	189
22	88
23	207
24	54
25	49
26	104
27	75
28	112
29	261
30	120
31	279
32	50
33	297
34	136
35	315
36	64
37	333
38	152
39	351
40	90
41	369
42	168
43	387
44	176
45	125
46	184
47	423
48	108
49	81
50	72
51	459
52	208
53	477
54	96
55	495
56	126
57	513
58	232

n	a(n)
1	9
2	8
3	27
4	16
5	45
6	24
7	63
8	18
9	25
10	40
11	99
12	48
13	117
14	56
15	135
16	36
17	153
18	32
19	171
20	80
21	189
22	88
23	207
24	54
25	49
26	104
27	75
28	112
29	261
30	120
31	279
32	50
33	297
34	136
35	315
36	64
37	333
38	152
39	351
40	90
41	369
42	168
43	387
44	176
45	125
46	184
47	423
48	108
49	81
50	72
51	459
52	208
53	477
54	96
55	495
56	126
57	513
58	232

n	a(n)
1	9
2	8
3	27
4	16
5	45
6	24
7	63
8	18
9	25
10	40
11	99
12	48
13	117
14	56
15	135
16	36
17	153
18	32
19	171
20	80
21	189
22	88
23	207
24	54
25	49
26	104
27	75
28	112
29	261
30	120
31	279
32	50
33	297
34	136
35	315
36	64
37	333
38	152
39	351
40	90
41	369
42	168
43	387
44	176
45	125
46	184
47	423
48	108
49	81
50	72
51	459
52	208
53	477
54	96
55	495
56	126
57	513
58	232