Odd numbers k such that A173557(k) divides nonzero A051709(k).

Terms

a(0) =27a(1) =243a(2) =1377a(3) =2187a(4) =3125a(5) =19683a(6) =28125a(7) =55233a(8) =68445a(9) =177147a(10) =195625a(11) =203125a(12) =239805a(13) =253125a(14) =453125a(15) =823543a(16) =907137a(17) =1323297a(18) =1378125a(19) =1464561a(20) =1594323a(21) =1953125a(22) =2278125a(23) =3341637a(24) =3572829a(25) =5255361a(26) =5877117a(27) =9034497a(28) =9819837a(29) =11701053