A307344 - cp's OEIS frontend

A307344 Cells visited by a single pawn move for an even cell and a double pawn move for an odd cell on a numbered 3D grid and moving to the lowest available unvisited cell of different parity at each step.

n	a(n)
1	1
2	10
3	19
4	48
5	27
6	76
7	51
8	20
9	33
10	8
11	15
12	4
13	9
14	34
15	53
16	108
17	77
18	28
19	13
20	2
21	5
22	30
23	47
24	18
25	31
26	6
27	3
28	12
29	23
30	72
31	49
32	102
33	71
34	22
35	11
36	36
37	21
38	70
39	101
40	186
41	131
42	252
43	193
44	106
45	75
46	26
47	43
48	16

[1, 10, 19, 48, 27, 76, 51, 20, 33, 8, 15, 4, 9, 34, 53, 108, 77, 28, 13, 2, 5, 30, 47, 18, 31, 6, 3, 12, 23, 72, 49, 102, 71, 22, 11, 36, 21, 70, 101, 186, 131, 252, 193, 106, 75, 26, 43, 16]

cp's OEIS Frontend

A307344 Cells visited by a single pawn move for an even cell and a double pawn move for an odd cell on a numbered 3D grid and moving to the lowest available unvisited cell of different parity at each step.

Table of values

List of values

n	a(n)
1	1
2	10
3	19
4	48
5	27
6	76
7	51
8	20
9	33
10	8
11	15
12	4
13	9
14	34
15	53
16	108
17	77
18	28
19	13
20	2
21	5
22	30
23	47
24	18
25	31
26	6
27	3
28	12
29	23
30	72
31	49
32	102
33	71
34	22
35	11
36	36
37	21
38	70
39	101
40	186
41	131
42	252
43	193
44	106
45	75
46	26
47	43
48	16

n	a(n)
1	1
2	10
3	19
4	48
5	27
6	76
7	51
8	20
9	33
10	8
11	15
12	4
13	9
14	34
15	53
16	108
17	77
18	28
19	13
20	2
21	5
22	30
23	47
24	18
25	31
26	6
27	3
28	12
29	23
30	72
31	49
32	102
33	71
34	22
35	11
36	36
37	21
38	70
39	101
40	186
41	131
42	252
43	193
44	106
45	75
46	26
47	43
48	16

n	a(n)
1	1
2	10
3	19
4	48
5	27
6	76
7	51
8	20
9	33
10	8
11	15
12	4
13	9
14	34
15	53
16	108
17	77
18	28
19	13
20	2
21	5
22	30
23	47
24	18
25	31
26	6
27	3
28	12
29	23
30	72
31	49
32	102
33	71
34	22
35	11
36	36
37	21
38	70
39	101
40	186
41	131
42	252
43	193
44	106
45	75
46	26
47	43
48	16