A335049 - cp's OEIS frontend

A335049 The prime factorization of a(n) corresponds to the left diagonal of the XOR-triangle built from prime factorization of n, with 2-adic valuation of a(n) given by last row.

n	a(n)
1	1
2	2
3	6
4	4
5	30
6	3
7	210
8	8
9	36
10	15
11	2310
12	24
13	30030
14	105
15	10
16	16
17	510510
18	72
19	9699690
20	120
21	35
22	1155
23	223092870
24	12
25	900
26	15015
27	216
28	840
29	6469693230
30	5
31	200560490130
32	32
33	770
34	255255
35	21
36	9
37	7420738134810
38	4849845
39	5005
40	60
41	304250263527210
42	70

[1, 2, 6, 4, 30, 3, 210, 8, 36, 15, 2310, 24, 30030, 105, 10, 16, 510510, 72, 9699690, 120, 35, 1155, 223092870, 12, 900, 15015, 216, 840, 6469693230, 5, 200560490130, 32, 770, 255255, 21, 9, 7420738134810, 4849845, 5005, 60, 304250263527210, 70]

cp's OEIS Frontend

A335049 The prime factorization of a(n) corresponds to the left diagonal of the XOR-triangle built from prime factorization of n, with 2-adic valuation of a(n) given by last row.

Table of values

List of values