A265151 - cp's OEIS frontend

A265151 a(1) = 11, a(n) = smallest number > a(n-1) such that the concatenation of a(n-1) and a(n) is a square.

n	a(n)
1	11
2	56
3	169
4	744
5	769
6	5076
7	5625
8	43524
9	390625
10	1827776
11	2562500
12	8273225
13	37136225
14	38371001
15	43037561
16	258421444
17	792669636
18	2928667041
19	38512058944
20	260125180889
21	405701529401
22	688085041025
23	5890084946609
24	22508111494025
25	64017148660004
26	537387232526336

[11, 56, 169, 744, 769, 5076, 5625, 43524, 390625, 1827776, 2562500, 8273225, 37136225, 38371001, 43037561, 258421444, 792669636, 2928667041, 38512058944, 260125180889, 405701529401, 688085041025, 5890084946609, 22508111494025, 64017148660004, 537387232526336]

cp's OEIS Frontend

A265151 a(1) = 11, a(n) = smallest number > a(n-1) such that the concatenation of a(n-1) and a(n) is a square.

Table of values

List of values