98406

Appears in sequences

• Number of bracelet structures using exactly four different colored beads.at n=12A056359
• Number of primitive (period n) bracelet structures using exactly four different colored beads.at n=12A056368
• Numbers k such that 2k-1 divides 2^k-1.at n=37A081856
• Triangle read by rows: T(n,k) = (n+1,k)-th element of (M^5-M)/4, where M is the infinite lower Pascal's triangle matrix, 1<=k<=n.at n=40A096039
• Exponential Riordan array (e^x,A005043(x)).at n=50A185814
• Number of nondecreasing -3..3 vectors of length n whose dot product with some nonincreasing -3..3 vector equals n.at n=18A226394