A332067 - cp's OEIS frontend

A332067 a(n) is the square spiral number of the initial digit of the number placed at the n-th move of the Prime scrabble game: placing integers on a grid one digit per cell as to form primes, with minus sign in case of vertical placement.

n	a(n)
0	0
1	1
2	2
3	8
4	5
5	18
6	19
7	23
8	13
9	15
10	20
11	37
12	11
13	68
14	150
15	-26
16	44
17	70
18	-47
19	-114
20	53
21	-216
22	-35
23	-77
24	103
25	64
26	-32
27	61
28	31
29	146
30	-50
31	162
32	159
33	152
34	-80
35	-166
36	54
37	-154
38	-117
39	-72
40	38
41	157
42	-97
43	142
44	266
45	-281
46	-57
47	-431
48	-94
49	-277
50	84
51	-123
52	-126
53	144
54	-121
55	268
56	56
57	264
58	-138
59	-284
60	200
61	-223
62	-112
63	209
64	-350
65	330
66	-110
67	339
68	-90
69	492
70	-96
71	-275

[0, 1, 2, 8, 5, 18, 19, 23, 13, 15, 20, 37, 11, 68, 150, -26, 44, 70, -47, -114, 53, -216, -35, -77, 103, 64, -32, 61, 31, 146, -50, 162, 159, 152, -80, -166, 54, -154, -117, -72, 38, 157, -97, 142, 266, -281, -57, -431, -94, -277, 84, -123, -126, 144, -121, 268, 56, 264, -138, -284, 200, -223, -112, 209, -350, 330, -110, 339, -90, 492, -96, -275]

cp's OEIS Frontend

A332067 a(n) is the square spiral number of the initial digit of the number placed at the n-th move of the Prime scrabble game: placing integers on a grid one digit per cell as to form primes, with minus sign in case of vertical placement.

Table of values

List of values