A366890 - cp's OEIS frontend

A366890 Irregular triangle, wherein row n lists in ascending order all numbers k whose arithmetic derivative k' is equal to the n-th primorial, A002110(n), and that have more than two prime factors with multiplicity. Rows of length zero are simply omitted, i.e., when A369000(n) = 0.

n	a(n)
1	1547371
2	79332523
3	1102527599503
4	25336943536819
5	25962012375103
6	25970380120783
7	66702554987143
8	526285951027003
9	927949814519899
10	7777707036642079
11	9584173681667203
12	13082430772438171
13	22101822021783739
14	4958985803436403
15	32006922970429003
16	32076018550175863
17	49806227168831659
18	84682266449971639
19	97995266657958403

[1547371, 79332523, 1102527599503, 25336943536819, 25962012375103, 25970380120783, 66702554987143, 526285951027003, 927949814519899, 7777707036642079, 9584173681667203, 13082430772438171, 22101822021783739, 4958985803436403, 32006922970429003, 32076018550175863, 49806227168831659, 84682266449971639, 97995266657958403]

cp's OEIS Frontend

A366890 Irregular triangle, wherein row n lists in ascending order all numbers k whose arithmetic derivative k' is equal to the n-th primorial, A002110(n), and that have more than two prime factors with multiplicity. Rows of length zero are simply omitted, i.e., when A369000(n) = 0.

Table of values

List of values