30506

Appears in sequences

• Floor( e * (3/2)^n ).at n=23A081225
• Expansion of (1+x)*(1-6*x-25*x^2)/((1+2x)(1-4x)(1+8x)(1-16x)).at n=4A122911
• Number of matchings in the n-helm graph.at n=10A286814
• p-INVERT of (0,1,0,1,0,1,...), where p(S) = 1 - S - S^2 - S^3 - S^4 - S^5.at n=12A291235
• A self-"read and extend" sequence built following the rules visible in the Comments section (a kind of Collatz-by-digits sequence).at n=36A316764
• Number of maximal independent sets in the 4 X n king graph.at n=10A332349
• a(n) is the largest number t such that there exist numbers i,j,k such that, for all m <= t, there exist integers x,y,z with x*i + y*j + z*k = m and |x|+|y|+|z| <= n.at n=42A383579