A333993 - cp's OEIS frontend

A333993 Square spiral on a 2D square lattice, one term per cell, starting at the origin with 0; the integers forming a square of size k X k, for all k = 1, 2, 3, ..., add up to a number that does not contain the digit 1.

n	a(n)
1	0
2	2
3	3
4	4
5	5
6	20
7	6
8	7
9	23
10	8
11	9
12	22
13	24
14	25
15	200
16	26
17	27
18	28
19	29
20	203
21	30
22	33
23	32
24	202
25	2000
26	34
27	35
28	36
29	205
30	37
31	38
32	204
33	39
34	42
35	2002
36	40
37	43
38	90
39	59
40	84
41	46
42	2023
43	44
44	206
45	53
46	82
47	48
48	220
49	284
50	45
51	57
52	74
53	207
54	47
55	85
56	2244
57	49
58	52
59	50
60	76
61	2043
62	273
63	20007
64	436
65	54
66	55
67	56
68	58
69	62
70	60
71	96

[0, 2, 3, 4, 5, 20, 6, 7, 23, 8, 9, 22, 24, 25, 200, 26, 27, 28, 29, 203, 30, 33, 32, 202, 2000, 34, 35, 36, 205, 37, 38, 204, 39, 42, 2002, 40, 43, 90, 59, 84, 46, 2023, 44, 206, 53, 82, 48, 220, 284, 45, 57, 74, 207, 47, 85, 2244, 49, 52, 50, 76, 2043, 273, 20007, 436, 54, 55, 56, 58, 62, 60, 96]

cp's OEIS Frontend

A333993 Square spiral on a 2D square lattice, one term per cell, starting at the origin with 0; the integers forming a square of size k X k, for all k = 1, 2, 3, ..., add up to a number that does not contain the digit 1.

Table of values

List of values