OFFSET
0,2
COMMENTS
Terms are of the form A233819(m) * 2^k for some m > 0, k >= 0. - David A. Corneth, Nov 25 2019
LINKS
David A. Corneth, Table of n, a(n) for n = 0..1000
PROG
(PARI) ispp(x) = my(p); (x == 1) || (isprimepower(x, &p) && (p==2));
nbdiv(k) = #select(x->(!ispp(x)), divisors(k));
a(n) = my(k=1); while (nbdiv(k) != n, k++); k; \\ Michel Marcus, Nov 25 2019
(PARI) a(n) = for(i = 1, oo, if(numdiv(i) - valuation(i, 2) - 1 == n, return(i))) \\ David A. Corneth, Nov 25 2019
CROSSREFS
KEYWORD
nonn
AUTHOR
Omar E. Pol, Sep 20 2019
EXTENSIONS
a(13)-a(36), a(38)-a(46) from Jon E. Schoenfield, Nov 22 2019
a(37) from Jon E. Schoenfield and David A. Corneth, Nov 25 2019
STATUS
approved