A280007 - cp's OEIS frontend

A280007 Balanced single (or balanced isolated) numbers (of order one): single (or isolated) numbers which are the average of the previous single (or isolated) number and the following single (or isolated) number.

n	a(n)
1	4
2	12
3	30
4	42
5	60
6	228
7	257
8	270
9	312
10	373
11	462
12	570
13	600
14	733
15	858
16	882
17	947
18	977
19	1092
20	1103
21	1123
22	1187
23	1230
24	1290
25	1302
26	1367
27	1428
28	1511
29	1620
30	1747
31	1753
32	1907
33	1998
34	2028
35	2287
36	2340
37	2417
38	2550
39	2677
40	2688
41	2730
42	2903
43	3313
44	3319
45	3540
46	3582
47	3637
48	3733
49	4020

[4, 12, 30, 42, 60, 228, 257, 270, 312, 373, 462, 570, 600, 733, 858, 882, 947, 977, 1092, 1103, 1123, 1187, 1230, 1290, 1302, 1367, 1428, 1511, 1620, 1747, 1753, 1907, 1998, 2028, 2287, 2340, 2417, 2550, 2677, 2688, 2730, 2903, 3313, 3319, 3540, 3582, 3637, 3733, 4020]

cp's OEIS Frontend

A280007 Balanced single (or balanced isolated) numbers (of order one): single (or isolated) numbers which are the average of the previous single (or isolated) number and the following single (or isolated) number.

Table of values

List of values