A132425 - cp's OEIS frontend

A132425 a(1)=1. a(2)=2. For n >= 3, a(n) is the smallest integer which is > a(n-1), is not coprime to a(n-1) and is such that a(n)-a(n-1) does not equal a(m)-a(m-1) for any m < n.

n	a(n)
1	1
2	2
3	4
4	8
5	14
6	21
7	24
8	32
9	42
10	51
11	63
12	77
13	88
14	104
15	117
16	132
17	150
18	155
19	175
20	196
21	218
22	242
23	268
24	296
25	326
26	358
27	392
28	427
29	469
30	518
31	554
32	592
33	629
34	646
35	665
36	690
37	713
38	744
39	771
40	804
41	843
42	888
43	928
44	957
45	1001
46	1053
47	1101
48	1152
49	1198
50	1248
51	1302
52	1358
53	1416
54	1473

[1, 2, 4, 8, 14, 21, 24, 32, 42, 51, 63, 77, 88, 104, 117, 132, 150, 155, 175, 196, 218, 242, 268, 296, 326, 358, 392, 427, 469, 518, 554, 592, 629, 646, 665, 690, 713, 744, 771, 804, 843, 888, 928, 957, 1001, 1053, 1101, 1152, 1198, 1248, 1302, 1358, 1416, 1473]

cp's OEIS Frontend

A132425 a(1)=1. a(2)=2. For n >= 3, a(n) is the smallest integer which is > a(n-1), is not coprime to a(n-1) and is such that a(n)-a(n-1) does not equal a(m)-a(m-1) for any m < n.

Table of values

List of values