A145607 - cp's OEIS frontend

A145607 Numbers k such that (3(2k + 1)^2 + 2)/5 is a square.

n	a(n)
1	0
2	4
3	35
4	279
5	2200
6	17324
7	136395
8	1073839
9	8454320
10	66560724
11	524031475
12	4125691079
13	32481497160
14	255726286204
15	2013328792475
16	15850904053599
17	124793903636320
18	982500325036964
19	7735208696659395
20	60899169248238199

[0, 4, 35, 279, 2200, 17324, 136395, 1073839, 8454320, 66560724, 524031475, 4125691079, 32481497160, 255726286204, 2013328792475, 15850904053599, 124793903636320, 982500325036964, 7735208696659395, 60899169248238199]

cp's OEIS Frontend

A145607 Numbers k such that (3(2k + 1)^2 + 2)/5 is a square.

Table of values

List of values

cp's OEIS Frontend

A145607 Numbers k such that (3*(2*k + 1)^2 + 2)/5 is a square.

Table of values

List of values

A145607 Numbers k such that (3(2k + 1)^2 + 2)/5 is a square.