OFFSET
1,2
COMMENTS
All numbers of the form p_1^k1*p_2^k2*...*p_n^k_n, where k1 >= k2 >= ... >= k_n and the p_i are n successive primes.
Differs from A073491 starting n=16.
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..10000
MATHEMATICA
aQ[n_] := Module[{f=FactorInteger[n]}, p=f[[;; , 1]]; e=f[[;; , 2]]; PrimePi[p[[-1]]]-PrimePi[p[[1]]] == Length[p]-1 && AllTrue[Differences[e], #<=0 &]]; Join[{1}, Select[Range[2, 144], aQ]] (* Amiram Eldar, Jun 20 2019 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Olivier Gérard, Sep 23, 2007
EXTENSIONS
Cross-references from Charles R Greathouse IV, Dec 04 2009
STATUS
approved