a(n) is the minimal odd evil k, such that k^i, i=1,2,...,n, all are evil, and a(n)=0, if there is no such k.

A230495

a(n) is the minimal odd evil k, such that k^i, i=1,2,...,n, all are evil, and a(n)=0, if there is no such k.

Terms

    a(0) =3a(1) =3a(2) =3a(3) =27a(4) =287a(5) =287a(6) =287a(7) =287a(8) =783a(9) =783a(10) =783a(11) =19099a(12) =20249a(13) =34391a(14) =80577a(15) =92589a(16) =211183a(17) =211183a(18) =211183a(19) =1995137a(20) =4270443a(21) =4270443a(22) =4270443a(23) =4270443a(24) =17026791a(25) =317108969a(26) =317108969a(27) =317108969a(28) =979104339a(29) =979104339

External references