A257520 - cp's OEIS frontend

A257520 Number of factorizations of m^2 into 2 factors, where m is a product of exactly n distinct primes and each factor is a product of n primes (counted with multiplicity).

n	a(n)
0	1
1	1
2	2
3	4
4	10
5	26
6	71
7	197
8	554
9	1570
10	4477
11	12827
12	36895
13	106471
14	308114
15	893804
16	2598314
17	7567466
18	22076405
19	64498427
20	188689685
21	552675365
22	1620567764
23	4756614062
24	13974168191
25	41088418151
26	120906613076
27	356035078102
28	1049120176954
29	3093337815410

[1, 1, 2, 4, 10, 26, 71, 197, 554, 1570, 4477, 12827, 36895, 106471, 308114, 893804, 2598314, 7567466, 22076405, 64498427, 188689685, 552675365, 1620567764, 4756614062, 13974168191, 41088418151, 120906613076, 356035078102, 1049120176954, 3093337815410]

cp's OEIS Frontend

A257520 Number of factorizations of m^2 into 2 factors, where m is a product of exactly n distinct primes and each factor is a product of n primes (counted with multiplicity).

Table of values

List of values