A174098 - cp's OEIS frontend

A174098 Symmetrical triangle T(n, m) = floor(Eulerian(n+1, m)/2), read by rows.

n	a(n)
2	2
3	5
4	5
5	13
6	33
7	13
8	28
9	151
10	151
11	28
12	60
13	595
14	1208
15	595
16	60
17	123
18	2146
19	7809
20	7809
21	2146
22	123
23	251
24	7304
25	44117
26	78095
27	44117
28	7304
29	251
30	506
31	23920
32	227596
33	655177
34	655177
35	227596
36	23920
37	506
38	1018
39	76318
40	1101744
41	4869057
42	7862124
43	4869057
44	1101744
45	76318
46	1018

[2, 5, 5, 13, 33, 13, 28, 151, 151, 28, 60, 595, 1208, 595, 60, 123, 2146, 7809, 7809, 2146, 123, 251, 7304, 44117, 78095, 44117, 7304, 251, 506, 23920, 227596, 655177, 655177, 227596, 23920, 506, 1018, 76318, 1101744, 4869057, 7862124, 4869057, 1101744, 76318, 1018]

cp's OEIS Frontend

A174098 Symmetrical triangle T(n, m) = floor(Eulerian(n+1, m)/2), read by rows.

Table of values

List of values