A286398 Denominator of A285388(n+1)/A285388(n).

1, 7, 143, 7429, 94395, 70514711, 68421139647, 3628781953225, 180465781280744001, 1051696554978819009, 2043771643161196817, 455757414124192757820663, 145129235359794615466069, 1358004768744860147421669766123, 9043798410819212324167588503127725

Offset

1,2

Links

Table of n, a(n) for n=1..15.

Example

a(2)=(7); a(3)=(11*13); a(4)=(17*19*23); a(5)=3*5*7*(29*31); ...

Crossrefs

Cf. A285388.

Sequence in context: A082157 A258176 A333088 * A104240 A263599 A217341

Adjacent sequences: A286395 A286396 A286397 * A286399 A286400 A286401

Keyword

nonn

Author

Ralf Steiner, May 10 2017

Status

approved