Number of initially rising meander words, where each letter of the cyclic 7-ary alphabet occurs n times.

A209353

Number of initially rising meander words, where each letter of the cyclic 7-ary alphabet occurs n times.

Terms

    a(0) =1a(1) =1a(2) =19a(3) =902a(4) =53636a(5) =3771698a(6) =292587922a(7) =24422343208

External references