Numbers k such that both k and k + 1 are logarithmically smooth.

Terms

a(0) =8a(1) =24a(2) =80a(3) =125a(4) =224a(5) =2400a(6) =3024a(7) =4224a(8) =4374a(9) =6655a(10) =9800a(11) =10647a(12) =123200a(13) =194480a(14) =336140a(15) =601425a(16) =633555a(17) =709631a(18) =5142500a(19) =5909760a(20) =11859210a(21) =1611308699