A308055 - cp's OEIS frontend

A308055 a(1)=2; for n > 1, a(n) is the square root of the smallest square with a(n-1) as a prefix in base 10.

n	a(n)
1	2
2	5
3	23
4	48
5	22
6	15
7	39
8	63
9	251
10	501
11	224
12	474
13	689
14	2625
15	5124
16	22637
17	47579
18	68978
19	83053
20	28819
21	53684
22	2317
23	4814
24	6939
25	26342
26	51325
27	71642
28	84642
29	290933
30	1705676
31	4129984
32	20322363
33	45080332
34	67141889
35	25911752
36	16097128
37	12687446
38	35619442
39	59682026

[2, 5, 23, 48, 22, 15, 39, 63, 251, 501, 224, 474, 689, 2625, 5124, 22637, 47579, 68978, 83053, 28819, 53684, 2317, 4814, 6939, 26342, 51325, 71642, 84642, 290933, 1705676, 4129984, 20322363, 45080332, 67141889, 25911752, 16097128, 12687446, 35619442, 59682026]

cp's OEIS Frontend

A308055 a(1)=2; for n > 1, a(n) is the square root of the smallest square with a(n-1) as a prefix in base 10.

Table of values

List of values