A381215 - cp's OEIS frontend

A381215 Numbers k such that the difference between the largest and smallest element of the set of bases and exponents (including exponents = 1) in the prime factorization of k is 1.

n	a(n)
1	2
2	8
3	9
4	36
5	72
6	81
7	108
8	216
9	625
10	15625
11	117649
12	5764801
13	25937424601
14	3138428376721
15	23298085122481
16	3937376385699289
17	48661191875666868481
18	14063084452067724991009
19	104127350297911241532841
20	37589973457545958193355601
21	907846434775996175406740561329

[2, 8, 9, 36, 72, 81, 108, 216, 625, 15625, 117649, 5764801, 25937424601, 3138428376721, 23298085122481, 3937376385699289, 48661191875666868481, 14063084452067724991009, 104127350297911241532841, 37589973457545958193355601, 907846434775996175406740561329]

cp's OEIS Frontend

A381215 Numbers k such that the difference between the largest and smallest element of the set of bases and exponents (including exponents = 1) in the prime factorization of k is 1.

Table of values

List of values