987568

Appears in sequences

• Number of binary bit strings of length n with no block of 8 or more 0's. Nonzero heptanacci numbers, A122189.at n=21A066178
• Number of compositions of 3n with each part less than or equal to n.at n=7A090667
• Heptanacci numbers: each term is the sum of the preceding 7 terms, with a(0),...,a(6) = 0,0,0,0,0,0,1.at n=27A122189