A376690 First differences of A055932.

1, 2, 2, 2, 4, 4, 2, 6, 6, 2, 4, 12, 6, 6, 4, 8, 18, 6, 12, 12, 8, 16, 6, 12, 18, 12, 18, 6, 24, 16, 14, 18, 12, 24, 36, 24, 36, 12, 18, 30, 6, 26, 28, 36, 24, 30, 18, 72, 30, 18, 42, 30, 24, 36, 60, 12, 52, 26, 30, 72, 48, 60, 36, 54, 90, 18, 12, 30, 36, 84, 60

Offset: 1

Author

Michael De Vlieger, Oct 13 2024

Keywords

• nonn
• easy

Comments

First difference of numbers k with a primorial kernel, i.e., rad(k) = P(i), where rad = A007947 and primorial P = A002110.

Links

• Michael De Vlieger, Table of n, a(n) for n = 1..10000
• Michael De Vlieger, Log log scatterplot of a(n), n = 1..74468.
• Michael De Vlieger, Efficient Mathematica constructor program for A055932

Crossrefs

Cf. A002110, A007947, A055932, A178799.

Programs

Mathematica

(* Load function f in the linked constructor a-file *)
Differences@ Union@ Flatten@ f[8]