A061909 - cp's OEIS frontend

A061909 Skinny numbers: numbers n such that there are no carries when n is squared by "long multiplication".

n	a(n)
1	0
2	1
3	2
4	3
5	10
6	11
7	12
8	13
9	20
10	21
11	22
12	30
13	31
14	100
15	101
16	102
17	103
18	110
19	111
20	112
21	113
22	120
23	121
24	122
25	130
26	200
27	201
28	202
29	210
30	211
31	212
32	220
33	221
34	300
35	301
36	310
37	311
38	1000
39	1001
40	1002
41	1003
42	1010
43	1011
44	1012
45	1013
46	1020
47	1021
48	1022
49	1030
50	1031
51	1100
52	1101
53	1102

[0, 1, 2, 3, 10, 11, 12, 13, 20, 21, 22, 30, 31, 100, 101, 102, 103, 110, 111, 112, 113, 120, 121, 122, 130, 200, 201, 202, 210, 211, 212, 220, 221, 300, 301, 310, 311, 1000, 1001, 1002, 1003, 1010, 1011, 1012, 1013, 1020, 1021, 1022, 1030, 1031, 1100, 1101, 1102]

cp's OEIS Frontend

A061909 Skinny numbers: numbers n such that there are no carries when n is squared by "long multiplication".

Table of values

List of values