A309815 - cp's OEIS frontend

A309815 a(n) is the smallest positive integer x such that sqrt(2) + sqrt(x) is closer to an integer than any other value already in the sequence.

n	a(n)
1	1
2	2
3	3
4	6
5	7
6	13
7	21
8	112
9	243
10	275
11	466
12	761
13	1128
14	4704
15	9523
16	10730
17	17579
18	28085
19	41041
20	165312
21	331299
22	372815
23	607754
24	967441
25	1410360
26	5648160
27	11300259
28	12713402
29	20707831
30	32942845
31	48005301
32	192060400
33	384143763
34	432165299
35	703818922
36	1119543881
37	1631318640

[1, 2, 3, 6, 7, 13, 21, 112, 243, 275, 466, 761, 1128, 4704, 9523, 10730, 17579, 28085, 41041, 165312, 331299, 372815, 607754, 967441, 1410360, 5648160, 11300259, 12713402, 20707831, 32942845, 48005301, 192060400, 384143763, 432165299, 703818922, 1119543881, 1631318640]

cp's OEIS Frontend

A309815 a(n) is the smallest positive integer x such that sqrt(2) + sqrt(x) is closer to an integer than any other value already in the sequence.

Table of values

List of values