A065234 - cp's OEIS frontend

A065234 Fill a triangular array by rows by writing numbers 1 up to b(0), 1 up to b(1), etc., where b(n) are the decagonal numbers. The first elements of the rows form a(n).

n	a(n)
0	1
1	1
2	3
3	6
4	10
5	5
6	11
7	18
8	26
9	8
10	18
11	29
12	41
13	2
14	16
15	31
16	47
17	64
18	82
19	16
20	36
21	57
22	79
23	102
24	126
25	25
26	51
27	78
28	106
29	135
30	165
31	21
32	53
33	86
34	120
35	155
36	191
37	228
38	34
39	73
40	113
41	154
42	196
43	239
44	283
45	31
46	77
47	124
48	172
49	221
50	271
51	322
52	4
53	57
54	111
55	166
56	222
57	279
58	337
59	396
60	5
61	66
62	128

[1, 1, 3, 6, 10, 5, 11, 18, 26, 8, 18, 29, 41, 2, 16, 31, 47, 64, 82, 16, 36, 57, 79, 102, 126, 25, 51, 78, 106, 135, 165, 21, 53, 86, 120, 155, 191, 228, 34, 73, 113, 154, 196, 239, 283, 31, 77, 124, 172, 221, 271, 322, 4, 57, 111, 166, 222, 279, 337, 396, 5, 66, 128]

cp's OEIS Frontend

A065234 Fill a triangular array by rows by writing numbers 1 up to b(0), 1 up to b(1), etc., where b(n) are the decagonal numbers. The first elements of the rows form a(n).

Table of values

List of values

n	a(n)
0	1
1	1
2	3
3	6
4	10
5	5
6	11
7	18
8	26
9	8
10	18
11	29
12	41
13	2
14	16
15	31
16	47
17	64
18	82
19	16
20	36
21	57
22	79
23	102
24	126
25	25
26	51
27	78
28	106
29	135
30	165
31	21
32	53
33	86
34	120
35	155
36	191
37	228
38	34
39	73
40	113
41	154
42	196
43	239
44	283
45	31
46	77
47	124
48	172
49	221
50	271
51	322
52	4
53	57
54	111
55	166
56	222
57	279
58	337
59	396
60	5
61	66
62	128

n	a(n)
0	1
1	1
2	3
3	6
4	10
5	5
6	11
7	18
8	26
9	8
10	18
11	29
12	41
13	2
14	16
15	31
16	47
17	64
18	82
19	16
20	36
21	57
22	79
23	102
24	126
25	25
26	51
27	78
28	106
29	135
30	165
31	21
32	53
33	86
34	120
35	155
36	191
37	228
38	34
39	73
40	113
41	154
42	196
43	239
44	283
45	31
46	77
47	124
48	172
49	221
50	271
51	322
52	4
53	57
54	111
55	166
56	222
57	279
58	337
59	396
60	5
61	66
62	128

n	a(n)
0	1
1	1
2	3
3	6
4	10
5	5
6	11
7	18
8	26
9	8
10	18
11	29
12	41
13	2
14	16
15	31
16	47
17	64
18	82
19	16
20	36
21	57
22	79
23	102
24	126
25	25
26	51
27	78
28	106
29	135
30	165
31	21
32	53
33	86
34	120
35	155
36	191
37	228
38	34
39	73
40	113
41	154
42	196
43	239
44	283
45	31
46	77
47	124
48	172
49	221
50	271
51	322
52	4
53	57
54	111
55	166
56	222
57	279
58	337
59	396
60	5
61	66
62	128