Heptanacci numbers: each term is the sum of the preceding 7 terms, with a(0),...,a(6) = 0,0,0,0,0,0,1.

A122189

Heptanacci numbers: each term is the sum of the preceding 7 terms, with a(0),...,a(6) = 0,0,0,0,0,0,1.

Terms

    a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =0a(6) =1a(7) =1a(8) =2a(9) =4a(10) =8a(11) =16a(12) =32a(13) =64a(14) =127a(15) =253a(16) =504a(17) =1004a(18) =2000a(19) =3984a(20) =7936a(21) =15808a(22) =31489a(23) =62725a(24) =124946a(25) =248888a(26) =495776a(27) =987568a(28) =1967200a(29) =3918592

External references