0,1

Table of n, a(n) for n=0..18.

a(7) = 100801 is a prime obtained as 2*7! = 2*5040 = 10080 followed by a 1.

for n from 0 to 20 do for k from 1 do m:=10*k*n!+1 : if isprime(m) then printf("%d, ", m): break fi od od: # C. Ronaldo

Sequence in context: A070849 A124297 A172507 * A077699 A266705 A228768

Adjacent sequences: A089763 A089764 A089765 * A089767 A089768 A089769

base,nonn

Amarnath Murthy, Nov 23 2003

More terms from C. Ronaldo (aga_new_ac(AT)hotmail.com), Dec 26 2004

approved