OFFSET
1,1
LINKS
R. J. Mathar, Table of n, a(n) for n = 1..131
EXAMPLE
61 is in this sequence as 60 = 3*4*5. 73 is in this sequence as 72 = 8*9.
MAPLE
isA083520 := proc(p)
local k, r, i, po;
for k from 1 to floor(sqrt(p)) do
for r from 1 do
po := product(k+i, i=0..r) ;
if po = p-1 then
return true;
elif po > p-1 then
break;
end if;
end do:
end do:
false ;
end proc:
n := 1 :
for c from 1 do
p := ithprime(c) ;
if isA083520(p) then
printf("%d %d\n", n, p) ;
n := n+1 ;
end if;
end do: # R. J. Mathar, Aug 23 2014
CROSSREFS
KEYWORD
nonn
AUTHOR
Amarnath Murthy and Meenakshi Srikanth (menakan_s(AT)yahoo.com), May 05 2003
EXTENSIONS
More terms from David Wasserman, Nov 19 2004
STATUS
approved