Least composite number k such that the number m of consecutive composite sums k + j*(j+1)/2, j = 1, ..., m is a new maximum.

A370999

Least composite number k such that the number m of consecutive composite sums k + j*(j+1)/2, j = 1, ..., m is a new maximum.

Terms

    a(0) =4a(1) =8a(2) =9a(3) =15a(4) =24a(5) =90a(6) =105a(7) =114a(8) =225a(9) =264a(10) =300a(11) =945a(12) =5349a(13) =7035a(14) =11739a(15) =17280a(16) =35475a(17) =46914a(18) =190365a(19) =351645a(20) =603054a(21) =1209900a(22) =3146220a(23) =3279864a(24) =6407664a(25) =26447649a(26) =115192665a(27) =408291345a(28) =1080430119a(29) =1298351109

External references