69311

Appears in sequences

• Strong pseudoprimes to base 93.at n=29A020319
• a(n) = 48*n^2 - 1.at n=38A065532
• Binet's factorial series. Numerators of the coefficients of a convergent series for the logarithm of the Gamma function.at n=7A122252
• Number of n X 3 (-1,0,1) arrays of determinants of 2 X 2 subblocks of some (n+1) X 4 binary array with rows and columns of the latter in lexicographically nondecreasing order.at n=7A226867
• T(n,k)=Number of nXk (-1,0,1) arrays of determinants of 2X2 subblocks of some (n+1)X(k+1) binary array with rows and columns of the latter in lexicographically nondecreasing order.at n=47A226870
• Number of excursions of length n with Motzkin-steps avoiding the consecutive steps UD, HU and DH.at n=23A329695