A069786 Smallest k>n such that C(n+3,n)=A000332(n) divides A000332(k).
2, 3, 7, 5, 7, 53, 39, 30, 33, 52, 63, 25, 62, 32, 269, 303, 133, 54, 54, 207, 207, 549, 597, 375, 322, 231, 348, 403, 927, 989, 1053, 1054, 153, 405, 627, 663, 663, 245, 285, 902, 858, 384, 943, 987, 2159, 2253, 2349, 2447, 1222, 1272, 1323, 582, 2013, 2373
Offset: 1
Programs
-
PARI
for(s=1,80,n=s+1; while(frac(n*(n+1)*(n+2)*(n+3)/(s*(s+1)*(s+2)*(s+3)))>0,n++); print1(n,","); )