A105314 - cp's OEIS frontend

A105314 Write the natural numbers as an infinite sequence of digits, starting at the left; a(n) is the subset (i.e., the position in this sequence of the "counting digits") of the first digit of the n-th square.

n	a(n)
1	1
2	4
3	9
4	22
5	40
6	62
7	88
8	118
9	152
10	190
11	253
12	322
13	397
14	478
15	565
16	658
17	757
18	862
19	973
20	1090
21	1213
22	1342
23	1477
24	1618
25	1765
26	1918
27	2077
28	2242
29	2413
30	2590
31	2773
32	2986
33	3246
34	3514
35	3790
36	4074
37	4366
38	4666
39	4974
40	5290
41	5614
42	5946
43	6286
44	6634
45	6990
46	7354
47	7726
48	8106

[1, 4, 9, 22, 40, 62, 88, 118, 152, 190, 253, 322, 397, 478, 565, 658, 757, 862, 973, 1090, 1213, 1342, 1477, 1618, 1765, 1918, 2077, 2242, 2413, 2590, 2773, 2986, 3246, 3514, 3790, 4074, 4366, 4666, 4974, 5290, 5614, 5946, 6286, 6634, 6990, 7354, 7726, 8106]

cp's OEIS Frontend

A105314 Write the natural numbers as an infinite sequence of digits, starting at the left; a(n) is the subset (i.e., the position in this sequence of the "counting digits") of the first digit of the n-th square.

Table of values

List of values