A241786 - cp's OEIS frontend

A241786 Smallest k such that the number of the first even exponents in prime power factorization of (2*k)! is n, or a(n)=0 if there is no such k.

n	a(n)
0	1
1	6
2	3
3	5
4	10
5	24
6	27
7	169
8	924
9	3168
10	720
11	3208
12	408
13	35421
14	50878
15	73920
16	18757
17	204513
18	134418
19	295680
20	427684
21	2746710
22	6867848
23	14476645
24	7278558
25	3668406
26	737564
27	245340483
28	1931850660
29	1514239096
30	3228582476
31	1325085081
32	16188866895
33	33517640073

[1, 6, 3, 5, 10, 24, 27, 169, 924, 3168, 720, 3208, 408, 35421, 50878, 73920, 18757, 204513, 134418, 295680, 427684, 2746710, 6867848, 14476645, 7278558, 3668406, 737564, 245340483, 1931850660, 1514239096, 3228582476, 1325085081, 16188866895, 33517640073]

cp's OEIS Frontend

A241786 Smallest k such that the number of the first even exponents in prime power factorization of (2*k)! is n, or a(n)=0 if there is no such k.

Table of values

List of values