Number of length 7 1..(n+2) arrays with no leading or trailing partial sum equal to a prime.

A254210

Number of length 7 1..(n+2) arrays with no leading or trailing partial sum equal to a prime.

Terms

    a(0) =0a(1) =53a(2) =118a(3) =2197a(4) =3098a(5) =22189a(6) =50166a(7) =156454a(8) =222665a(9) =640886a(10) =845325a(11) =1995830a(12) =3234225a(13) =6187800a(14) =7811859a(15) =15035317a(16) =18326311a(17) =31910349a(18) =44572678a(19) =69639188a(20) =82473044a(21) =132683340a(22) =170881758a(23) =252397169a(24) =325215746a(25) =460488479a(26) =533632442

External references