A076293 - cp's OEIS frontend

A076293 Numbers k where the root mean square (RMS) of k and 7 is an integer, i.e., sqrt((k^2 + 7^2)/2) is an integer.

n	a(n)
0	1
1	7
2	17
3	23
4	49
5	103
6	137
7	287
8	601
9	799
10	1673
11	3503
12	4657
13	9751
14	20417
15	27143
16	56833
17	118999
18	158201
19	331247
20	693577
21	922063
22	1930649
23	4042463
24	5374177
25	11252647
26	23561201
27	31322999
28	65585233
29	137324743
30	182563817
31	382258751
32	800387257
33	1064059903

[1, 7, 17, 23, 49, 103, 137, 287, 601, 799, 1673, 3503, 4657, 9751, 20417, 27143, 56833, 118999, 158201, 331247, 693577, 922063, 1930649, 4042463, 5374177, 11252647, 23561201, 31322999, 65585233, 137324743, 182563817, 382258751, 800387257, 1064059903]

cp's OEIS Frontend

A076293 Numbers k where the root mean square (RMS) of k and 7 is an integer, i.e., sqrt((k^2 + 7^2)/2) is an integer.

Table of values

List of values