33540

Appears in sequences

• Doubles (index 2+) under "EGJ" (unordered, element, labeled) transform.at n=5A032320
• First differences of A069473.at n=5A069474
• Product of prime divisors of composite numbers between consecutive primes.at n=30A074167
• Number of n X n 0..5 arrays with every row and column running average nondecreasing rightwards and downwards.at n=2A200824
• Number of nX3 0..5 arrays with every row and column running average nondecreasing rightwards and downwards.at n=2A200826
• T(n,k)=Number of nXk 0..5 arrays with every row and column running average nondecreasing rightwards and downwards.at n=12A200831
• Number of n X 4 0..1 arrays avoiding 0 0 0 and 1 1 1 horizontally and 0 0 1 and 1 0 1 vertically.at n=39A208375
• a(n) = (n+1)*(n-2)*(n-3)/2.at n=40A212343
• First row of spectral array W(Pi-2).at n=9A249697
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 449", based on the 5-celled von Neumann neighborhood.at n=38A272254
• Least common multiple of 7*n+1 and 7*n-1.at n=37A282286
• Expansion of Product_{k>=1} (1 + x^k)^A007434(k).at n=13A301876
• Triangle read by rows: T(n,k) = Sum_{j=0..k} (-1)^(k-j) * binomial(k,j) * (5+j)^n.at n=24A391635