A075319 - cp's OEIS frontend

A075319 Pair the odd numbers such that the k-th pair is (r, r+2k) where r is the smallest odd number not included earlier: (1,3),(5,9),(7,13),(11,19),(15,25),(17,29),(21,35),(23,39),(27,45),... This is the sequence of the sum of the members of pairs.

n	a(n)
1	4
2	14
3	20
4	30
5	40
6	46
7	56
8	62
9	72
10	82
11	88
12	98
13	108
14	114
15	124
16	130
17	140
18	150
19	156
20	166
21	172
22	182
23	192
24	198
25	208
26	218
27	224
28	234
29	240
30	250
31	260
32	266
33	276
34	286
35	292
36	302
37	308
38	318
39	328
40	334
41	344
42	350
43	360
44	370
45	376
46	386
47	396
48	402
49	412
50	418
51	428
52	438
53	444
54	454
55	460

[4, 14, 20, 30, 40, 46, 56, 62, 72, 82, 88, 98, 108, 114, 124, 130, 140, 150, 156, 166, 172, 182, 192, 198, 208, 218, 224, 234, 240, 250, 260, 266, 276, 286, 292, 302, 308, 318, 328, 334, 344, 350, 360, 370, 376, 386, 396, 402, 412, 418, 428, 438, 444, 454, 460]

cp's OEIS Frontend

A075319 Pair the odd numbers such that the k-th pair is (r, r+2k) where r is the smallest odd number not included earlier: (1,3),(5,9),(7,13),(11,19),(15,25),(17,29),(21,35),(23,39),(27,45),... This is the sequence of the sum of the members of pairs.

Table of values

List of values

n	a(n)
1	4
2	14
3	20
4	30
5	40
6	46
7	56
8	62
9	72
10	82
11	88
12	98
13	108
14	114
15	124
16	130
17	140
18	150
19	156
20	166
21	172
22	182
23	192
24	198
25	208
26	218
27	224
28	234
29	240
30	250
31	260
32	266
33	276
34	286
35	292
36	302
37	308
38	318
39	328
40	334
41	344
42	350
43	360
44	370
45	376
46	386
47	396
48	402
49	412
50	418
51	428
52	438
53	444
54	454
55	460

n	a(n)
1	4
2	14
3	20
4	30
5	40
6	46
7	56
8	62
9	72
10	82
11	88
12	98
13	108
14	114
15	124
16	130
17	140
18	150
19	156
20	166
21	172
22	182
23	192
24	198
25	208
26	218
27	224
28	234
29	240
30	250
31	260
32	266
33	276
34	286
35	292
36	302
37	308
38	318
39	328
40	334
41	344
42	350
43	360
44	370
45	376
46	386
47	396
48	402
49	412
50	418
51	428
52	438
53	444
54	454
55	460

n	a(n)
1	4
2	14
3	20
4	30
5	40
6	46
7	56
8	62
9	72
10	82
11	88
12	98
13	108
14	114
15	124
16	130
17	140
18	150
19	156
20	166
21	172
22	182
23	192
24	198
25	208
26	218
27	224
28	234
29	240
30	250
31	260
32	266
33	276
34	286
35	292
36	302
37	308
38	318
39	328
40	334
41	344
42	350
43	360
44	370
45	376
46	386
47	396
48	402
49	412
50	418
51	428
52	438
53	444
54	454
55	460