A340326 - cp's OEIS frontend

A340326 a(n) = a(n-2) + (-1)^na(n-1) + n(1-(-1)^n) with a(0) = a(1) = 1.

n	a(n)
0	1
1	1
2	2
3	5
4	7
5	8
6	15
7	7
8	22
9	3
10	25
11	0
12	25
13	1
14	26
15	5
16	31
17	8
18	39
19	7
20	46
21	3
22	49
23	0
24	49
25	1
26	50
27	5
28	55
29	8
30	63
31	7
32	70
33	3
34	73
35	0
36	73
37	1
38	74
39	5
40	79
41	8
42	87
43	7
44	94
45	3
46	97
47	0
48	97
49	1
50	98
51	5
52	103
53	8
54	111
55	7
56	118
57	3
58	121
59	0
60	121
61	1
62	122
63	5
64	127
65	8
66	135
67	7
68	142
69	3
70	145
71	0
72	145
73	1
74	146
75	5
76	151

[1, 1, 2, 5, 7, 8, 15, 7, 22, 3, 25, 0, 25, 1, 26, 5, 31, 8, 39, 7, 46, 3, 49, 0, 49, 1, 50, 5, 55, 8, 63, 7, 70, 3, 73, 0, 73, 1, 74, 5, 79, 8, 87, 7, 94, 3, 97, 0, 97, 1, 98, 5, 103, 8, 111, 7, 118, 3, 121, 0, 121, 1, 122, 5, 127, 8, 135, 7, 142, 3, 145, 0, 145, 1, 146, 5, 151]

cp's OEIS Frontend

A340326 a(n) = a(n-2) + (-1)^na(n-1) + n(1-(-1)^n) with a(0) = a(1) = 1.

Table of values

List of values

n	a(n)
0	1
1	1
2	2
3	5
4	7
5	8
6	15
7	7
8	22
9	3
10	25
11	0
12	25
13	1
14	26
15	5
16	31
17	8
18	39
19	7
20	46
21	3
22	49
23	0
24	49
25	1
26	50
27	5
28	55
29	8
30	63
31	7
32	70
33	3
34	73
35	0
36	73
37	1
38	74
39	5
40	79
41	8
42	87
43	7
44	94
45	3
46	97
47	0
48	97
49	1
50	98
51	5
52	103
53	8
54	111
55	7
56	118
57	3
58	121
59	0
60	121
61	1
62	122
63	5
64	127
65	8
66	135
67	7
68	142
69	3
70	145
71	0
72	145
73	1
74	146
75	5
76	151

n	a(n)
0	1
1	1
2	2
3	5
4	7
5	8
6	15
7	7
8	22
9	3
10	25
11	0
12	25
13	1
14	26
15	5
16	31
17	8
18	39
19	7
20	46
21	3
22	49
23	0
24	49
25	1
26	50
27	5
28	55
29	8
30	63
31	7
32	70
33	3
34	73
35	0
36	73
37	1
38	74
39	5
40	79
41	8
42	87
43	7
44	94
45	3
46	97
47	0
48	97
49	1
50	98
51	5
52	103
53	8
54	111
55	7
56	118
57	3
58	121
59	0
60	121
61	1
62	122
63	5
64	127
65	8
66	135
67	7
68	142
69	3
70	145
71	0
72	145
73	1
74	146
75	5
76	151

cp's OEIS Frontend

A340326 a(n) = a(n-2) + (-1)^n*a(n-1) + n*(1-(-1)^n) with a(0) = a(1) = 1.

Table of values

List of values

A340326 a(n) = a(n-2) + (-1)^na(n-1) + n(1-(-1)^n) with a(0) = a(1) = 1.

n	a(n)
0	1
1	1
2	2
3	5
4	7
5	8
6	15
7	7
8	22
9	3
10	25
11	0
12	25
13	1
14	26
15	5
16	31
17	8
18	39
19	7
20	46
21	3
22	49
23	0
24	49
25	1
26	50
27	5
28	55
29	8
30	63
31	7
32	70
33	3
34	73
35	0
36	73
37	1
38	74
39	5
40	79
41	8
42	87
43	7
44	94
45	3
46	97
47	0
48	97
49	1
50	98
51	5
52	103
53	8
54	111
55	7
56	118
57	3
58	121
59	0
60	121
61	1
62	122
63	5
64	127
65	8
66	135
67	7
68	142
69	3
70	145
71	0
72	145
73	1
74	146
75	5
76	151