A259632 - cp's OEIS frontend

A259632 a(n) = floor(exp(H_k)*log(H_k)) - sigma(k) where k is the n-th colossally abundant number (Sequence A079526 applied to the colossally abundant numbers (A004490).)

n	a(n)
1	-2
2	-2
3	-3
4	-2
5	0
6	28
7	199
8	483
9	9040
10	143814
11	306295
12	963844
13	5155067
14	81053615
15	1334916470
16	29106956400
17	58655156000
18	1817551640000
19	56466287000000
20	376943530000000
21	1144451930000000
22	41803527000000000

[-2, -2, -3, -2, 0, 28, 199, 483, 9040, 143814, 306295, 963844, 5155067, 81053615, 1334916470, 29106956400, 58655156000, 1817551640000, 56466287000000, 376943530000000, 1144451930000000, 41803527000000000]

cp's OEIS Frontend

A259632 a(n) = floor(exp(H_k)*log(H_k)) - sigma(k) where k is the n-th colossally abundant number (Sequence A079526 applied to the colossally abundant numbers (A004490).)

Table of values

List of values