A132289 - cp's OEIS frontend

A132289 Triangle, read by rows of 2n+1 terms, where T(n,k) = T(n,k-1) + T(n-1,k-1) for 2n>=k>0, T(n,2n-1) = T(n,2n-2) + T(n-1,n-1) and T(n,2n) = T(n,2n-1) + T(n-1,n-1) for n>0, with T(n,0) = T(n-1,n-1) for n>0 and T(0,0) = 1.

n	a(n)
0	1
1	1
2	2
3	3
4	3
5	4
6	6
7	9
8	12
9	12
10	15
11	19
12	25
13	34
14	46
15	58
16	58
17	70
18	85
19	104
20	129
21	163
22	209
23	267
24	325
25	325
26	383
27	453
28	538
29	642
30	771
31	934
32	1143
33	1410
34	1735
35	2060
36	2060
37	2385
38	2768
39	3221
40	3759
41	4401
42	5172
43	6106
44	7249
45	8659
46	10394
47	12454
48	14514
49	14514
50	16574
51	18959

[1, 1, 2, 3, 3, 4, 6, 9, 12, 12, 15, 19, 25, 34, 46, 58, 58, 70, 85, 104, 129, 163, 209, 267, 325, 325, 383, 453, 538, 642, 771, 934, 1143, 1410, 1735, 2060, 2060, 2385, 2768, 3221, 3759, 4401, 5172, 6106, 7249, 8659, 10394, 12454, 14514, 14514, 16574, 18959]

cp's OEIS Frontend

A132289 Triangle, read by rows of 2n+1 terms, where T(n,k) = T(n,k-1) + T(n-1,k-1) for 2n>=k>0, T(n,2n-1) = T(n,2n-2) + T(n-1,n-1) and T(n,2n) = T(n,2n-1) + T(n-1,n-1) for n>0, with T(n,0) = T(n-1,n-1) for n>0 and T(0,0) = 1.

Table of values

List of values