20844

Appears in sequences

• Decimal part of a(n)^(1/2) starts with a 'nine digits' anagram.at n=9A034277
• Number of partitions of n with equal nonzero number of parts congruent to each of 0 and 3 (mod 4).at n=48A035548
• a(n) = a(n-1)+ceiling(a(n-2)/2) with a(0)=0, a(1)=1.at n=32A064323
• Expansion of (1-2x)^2/((1-x)^2(1-2x-x^2)^2).at n=11A108360
• Number of base 6 n-digit numbers with adjacent digits differing by one or less.at n=9A126360
• a(n) = a(n-1) + a(n-2) - floor(a(n-2)/2), starting 2,1.at n=31A173497
• Number of 0..n arrays x(0..10) of 11 elements with zero 5th differences.at n=48A200373
• Number of distinct lines passing through at least three points in a triangular grid of side n.at n=34A234248
• Number of n X 3 0..2 arrays with no element equal to zero plus the sum of elements to its left or zero plus the sum of elements above it or zero plus the sum of the elements diagonally to its northwest, modulo 3.at n=17A240034
• Number of partitions of n such that m(greatest part) < m(1), where m = multiplicity.at n=39A240076
• Sum of square end-to-end distance over all self-avoiding n-step walks on a square lattice where no adjacent points are allowed, except those for consecutive steps.at n=7A337367