A324242 - cp's OEIS frontend

A324242 Incomplete Lucas numbers: irregular triangular array L(n,k) = Sum_{j = 0..k} (n/(n-j)) * binomial(n-j, j), read by rows, with n >= 1 and 0 <= k <= floor(n/2).

n	a(n)
1	1
2	1
3	3
4	1
5	4
6	1
7	5
8	7
9	1
10	6
11	11
12	1
13	7
14	16
15	18
16	1
17	8
18	22
19	29
20	1
21	9
22	29
23	45
24	47
25	1
26	10
27	37
28	67
29	76
30	1
31	11
32	46
33	96
34	121
35	123
36	1
37	12
38	56
39	133
40	188
41	199
42	1
43	13
44	67
45	179
46	284
47	320
48	322
49	1
50	14
51	79
52	235
53	417
54	508
55	521
56	1
57	15
58	92
59	302
60	596
61	792
62	841
63	843
64	1
65	16
66	106
67	381
68	831
69	1209
70	1349
71	1364

[1, 1, 3, 1, 4, 1, 5, 7, 1, 6, 11, 1, 7, 16, 18, 1, 8, 22, 29, 1, 9, 29, 45, 47, 1, 10, 37, 67, 76, 1, 11, 46, 96, 121, 123, 1, 12, 56, 133, 188, 199, 1, 13, 67, 179, 284, 320, 322, 1, 14, 79, 235, 417, 508, 521, 1, 15, 92, 302, 596, 792, 841, 843, 1, 16, 106, 381, 831, 1209, 1349, 1364]

cp's OEIS Frontend

A324242 Incomplete Lucas numbers: irregular triangular array L(n,k) = Sum_{j = 0..k} (n/(n-j)) * binomial(n-j, j), read by rows, with n >= 1 and 0 <= k <= floor(n/2).

Table of values

List of values