A080805 Numbers n such that A072475(n) divides A071221(n).

1, 4, 5, 6, 8, 19, 20, 21, 23, 27, 28, 35, 48, 50, 53, 59, 79, 83, 86, 91, 113, 127, 133, 143, 148, 153, 158, 164, 177, 180, 181, 186, 188, 189, 191, 193, 198, 207, 213, 219, 220, 225, 227, 233, 235, 237, 241, 254, 258, 260, 265, 274, 276, 277, 296, 297, 306

Offset

1,2

Links

Table of n, a(n) for n=1..57.

Prog

(PARI) k=3; for(n=1, 500, p=1; s=0; for(i=1, n, while(isprime(k), k=k+1); p=p*k; s=s+k; k=k+1); if(p%s==0, print1(n", ")))

Crossrefs

Sequence in context: A143903 A006756 A067652 * A104626 A242955 A086726

Adjacent sequences: A080802 A080803 A080804 * A080806 A080807 A080808

Keyword

nonn

Author

Ralf Stephan, Mar 24 2003

Status

approved