Number of s in {1,...,n}^n having shortest run with the same value of length 7.

Terms

a(0) =7a(1) =0a(2) =0a(3) =0a(4) =0a(5) =0a(6) =0a(7) =182a(8) =420a(9) =480a(10) =544a(11) =612a(12) =684a(13) =760a(14) =9240a(15) =30030a(16) =67804a(17) =115368a(18) =174000a(19) =245050a(20) =329940a(21) =981288a(22) =3093720a(23) =7999650a(24) =17578860a(25) =33429408a(26) =57448512a(27) =91863750a(28) =186037460a(29) =472754520