OFFSET
1,1
LINKS
Andrew Howroyd, Table of n, a(n) for n = 1..11
N. J. A. Sloane, A Nasty Surprise in a Sequence and Other OEIS Stories, Experimental Mathematics Seminar, Rutgers University, Oct 10 2024, Youtube video; Slides [Mentions this sequence]
FORMULA
a(n) = prime(n)*A375530(n-1) + 1.
PROG
(PARI) B(u)={my(v=vector(#u)); my(r=1); for(i=1, #u, my(t=floor(u[i]/r)+1); v[i]=t; r-=u[i]/t); v}
a(n)={B(vector(n, k, prime(k)))[n]} \\ Andrew Howroyd, Sep 04 2024
CROSSREFS
KEYWORD
nonn
AUTHOR
Rémy Sigrist and N. J. A. Sloane, Sep 04 2024
STATUS
approved