A324274 - cp's OEIS frontend

A324274 a(n) is the number of squares visited by a single pawn move for an even square and a double pawn move for an odd square on a diagonally numbered board and moving to the lowest available unvisited square of different parity at each step from subsequent starting squares n; or a(n) = 0 for an infinite length.

n	a(n)
1	20
2	0
3	8
4	17
5	6
6	9
7	4
8	7
9	0
10	11
11	16
12	5
13	18
14	0
15	10
16	19
17	8
18	19
19	8
20	11
21	12
22	25
23	6
24	9
25	6
26	9
27	0
28	13
29	24
30	7
31	20
32	7
33	20
34	0
35	12
36	15
37	24
38	21
39	26
40	21
41	10
42	21
43	10
44	13
45	14
46	27
47	8
48	27
49	8
50	11
51	8
52	11
53	0
54	15
55	16
56	33
57	22
58	9
59	22
60	9
61	22
62	9
63	22
64	0
65	14
66	17
67	32
68	23

[20, 0, 8, 17, 6, 9, 4, 7, 0, 11, 16, 5, 18, 0, 10, 19, 8, 19, 8, 11, 12, 25, 6, 9, 6, 9, 0, 13, 24, 7, 20, 7, 20, 0, 12, 15, 24, 21, 26, 21, 10, 21, 10, 13, 14, 27, 8, 27, 8, 11, 8, 11, 0, 15, 16, 33, 22, 9, 22, 9, 22, 9, 22, 0, 14, 17, 32, 23]

cp's OEIS Frontend

Table of values

List of values

n	a(n)
1	20
2	0
3	8
4	17
5	6
6	9
7	4
8	7
9	0
10	11
11	16
12	5
13	18
14	0
15	10
16	19
17	8
18	19
19	8
20	11
21	12
22	25
23	6
24	9
25	6
26	9
27	0
28	13
29	24
30	7
31	20
32	7
33	20
34	0
35	12
36	15
37	24
38	21
39	26
40	21
41	10
42	21
43	10
44	13
45	14
46	27
47	8
48	27
49	8
50	11
51	8
52	11
53	0
54	15
55	16
56	33
57	22
58	9
59	22
60	9
61	22
62	9
63	22
64	0
65	14
66	17
67	32
68	23

n	a(n)
1	20
2	0
3	8
4	17
5	6
6	9
7	4
8	7
9	0
10	11
11	16
12	5
13	18
14	0
15	10
16	19
17	8
18	19
19	8
20	11
21	12
22	25
23	6
24	9
25	6
26	9
27	0
28	13
29	24
30	7
31	20
32	7
33	20
34	0
35	12
36	15
37	24
38	21
39	26
40	21
41	10
42	21
43	10
44	13
45	14
46	27
47	8
48	27
49	8
50	11
51	8
52	11
53	0
54	15
55	16
56	33
57	22
58	9
59	22
60	9
61	22
62	9
63	22
64	0
65	14
66	17
67	32
68	23

n	a(n)
1	20
2	0
3	8
4	17
5	6
6	9
7	4
8	7
9	0
10	11
11	16
12	5
13	18
14	0
15	10
16	19
17	8
18	19
19	8
20	11
21	12
22	25
23	6
24	9
25	6
26	9
27	0
28	13
29	24
30	7
31	20
32	7
33	20
34	0
35	12
36	15
37	24
38	21
39	26
40	21
41	10
42	21
43	10
44	13
45	14
46	27
47	8
48	27
49	8
50	11
51	8
52	11
53	0
54	15
55	16
56	33
57	22
58	9
59	22
60	9
61	22
62	9
63	22
64	0
65	14
66	17
67	32
68	23