Number of nondecreasing arrangements of n+2 numbers in 0..6 with each number being the sum mod 7 of two others.

A183909

Number of nondecreasing arrangements of n+2 numbers in 0..6 with each number being the sum mod 7 of two others.

Terms

    a(0) =1a(1) =1a(2) =22a(3) =136a(4) =470a(5) =1193a(6) =2525a(7) =4752a(8) =8238a(9) =13438a(10) =20912a(11) =31340a(12) =45538a(13) =64475a(14) =89291a(15) =121316a(16) =162090a(17) =213384a(18) =277222a(19) =355904a(20) =452030a(21) =568525a(22) =708665a(23) =876104a(24) =1074902a(25) =1309554a(26) =1585020a(27) =1906756a(28) =2280746a(29) =2713535

External references