Numbers n such that n and n+1 both have 42 divisors.

Terms

a(0) =41680575a(1) =146109375a(2) =173996991a(3) =210075200a(4) =301241024a(5) =307619775a(6) =345691071a(7) =387121599a(8) =491184575a(9) =503761599a(10) =580150592a(11) =613216575a(12) =735890624a(13) =960710463a(14) =1079589951a(15) =1182852800a(16) =1187518400a(17) =1406368575a(18) =1413366975