A343563 - cp's OEIS frontend

A343563 Squares visited by a knight moving on a square-spiral numbered board where the knight moves to the unvisited square containing the spiral number with the smallest digit sum. In case of a tie it chooses the lowest number.

n	a(n)
1	1
2	10
3	3
4	30
5	11
6	4
7	13
8	2
9	5
10	20
11	23
12	6
13	21
14	40
15	105
16	202
17	103
18	100
19	141
20	250
21	315
22	190
23	251
24	140
25	61
26	14
27	31
28	12
29	15
30	32
31	55
32	130
33	91
34	180
35	301
36	234
37	127
38	52
39	25
40	50
41	121
42	222
43	119
44	220
45	117
46	80
47	51
48	124
49	231
50	126
51	53
52	26
53	9
54	22
55	41
56	106
57	203
58	104
59	201
60	102
61	143
62	252
63	321
64	480
65	323
66	400
67	403

[1, 10, 3, 30, 11, 4, 13, 2, 5, 20, 23, 6, 21, 40, 105, 202, 103, 100, 141, 250, 315, 190, 251, 140, 61, 14, 31, 12, 15, 32, 55, 130, 91, 180, 301, 234, 127, 52, 25, 50, 121, 222, 119, 220, 117, 80, 51, 124, 231, 126, 53, 26, 9, 22, 41, 106, 203, 104, 201, 102, 143, 252, 321, 480, 323, 400, 403]

cp's OEIS Frontend

A343563 Squares visited by a knight moving on a square-spiral numbered board where the knight moves to the unvisited square containing the spiral number with the smallest digit sum. In case of a tie it chooses the lowest number.

Table of values

List of values

n	a(n)
1	1
2	10
3	3
4	30
5	11
6	4
7	13
8	2
9	5
10	20
11	23
12	6
13	21
14	40
15	105
16	202
17	103
18	100
19	141
20	250
21	315
22	190
23	251
24	140
25	61
26	14
27	31
28	12
29	15
30	32
31	55
32	130
33	91
34	180
35	301
36	234
37	127
38	52
39	25
40	50
41	121
42	222
43	119
44	220
45	117
46	80
47	51
48	124
49	231
50	126
51	53
52	26
53	9
54	22
55	41
56	106
57	203
58	104
59	201
60	102
61	143
62	252
63	321
64	480
65	323
66	400
67	403

n	a(n)
1	1
2	10
3	3
4	30
5	11
6	4
7	13
8	2
9	5
10	20
11	23
12	6
13	21
14	40
15	105
16	202
17	103
18	100
19	141
20	250
21	315
22	190
23	251
24	140
25	61
26	14
27	31
28	12
29	15
30	32
31	55
32	130
33	91
34	180
35	301
36	234
37	127
38	52
39	25
40	50
41	121
42	222
43	119
44	220
45	117
46	80
47	51
48	124
49	231
50	126
51	53
52	26
53	9
54	22
55	41
56	106
57	203
58	104
59	201
60	102
61	143
62	252
63	321
64	480
65	323
66	400
67	403

n	a(n)
1	1
2	10
3	3
4	30
5	11
6	4
7	13
8	2
9	5
10	20
11	23
12	6
13	21
14	40
15	105
16	202
17	103
18	100
19	141
20	250
21	315
22	190
23	251
24	140
25	61
26	14
27	31
28	12
29	15
30	32
31	55
32	130
33	91
34	180
35	301
36	234
37	127
38	52
39	25
40	50
41	121
42	222
43	119
44	220
45	117
46	80
47	51
48	124
49	231
50	126
51	53
52	26
53	9
54	22
55	41
56	106
57	203
58	104
59	201
60	102
61	143
62	252
63	321
64	480
65	323
66	400
67	403