47502

Appears in sequences

• T(n,n+1) + T(n,n+2) + ... + T(n,2n), T given by A027113.at n=9A027139
• a(n) = 2*binomial(n,4).at n=29A034827
• Denominator of sum of reciprocals of first n 5-simplex numbers A000389.at n=24A118432
• Triangle given by T(n,k) = Fibonacci(n+k+1)*binomial(n,k) for 0<=k<=n.at n=49A122070
• Number of base 30 circular n-digit numbers with adjacent digits differing by 2 or less.at n=6A124958
• The 3rd Witt transform of A000027.at n=28A147611
• A binomial transform of Fibonacci numbers.at n=50A185384
• Triangle T(n,m) read by rows, obtained from [A(x)]^m = Sum_{n>=m} T(n,m)*x^n, where A(x) (the g.f. for A069271) satisfies 2*x^2*A(x)^3 = 1 - 2*x*A(x) - sqrt(1-4*x*A(x)).at n=49A188108
• a(n) = 5*binomial(4*n+10,n)/(2*n+5).at n=5A233667
• The magic constants of most-perfect magic squares of order 6 composed of distinct prime numbers.at n=4A258755
• a(n) = n*(n + 1)*(4*n + 5)/2.at n=28A281381
• Number of non-equivalent ways to tile an n X n X n triangular area with two 2 X 2 X 2 triangular tiles and an appropriate number (= n^2-8) of 1 X 1 X 1 tiles.at n=26A286444
• Wiener index of the n-polygon diagonal intersection graph.at n=6A291951
• a(1) = 50 and for any n > 0, a(n+1)^2 is the smallest square that begins with a(n).at n=34A309123
• The Fuss-Catalan triangle of order 3, read by rows. Related to quartic trees.at n=42A355174
• a(n) = Sum_{k=0..floor(n/2)} (-1)^k * binomial(n+1,2*k+1) * Catalan(k).at n=18A360048
• G.f. satisfies A(x) = 1 + x^4*A(x)^5*(1 + x*A(x)).at n=24A365731