20048

Appears in sequences

• Expansion of e.g.f. exp(tanh(x)*log(1+x)).at n=8A009269
• Expansion of e.g.f. exp(arctan(x)*log(x+1)).at n=8A012396
• Expansion of e.g.f. cosh(arcsinh(x)*arctan(x)) (only even powers).at n=4A012631
• sec(arctanh(x)*arctan(x)) = 1+12/4!*x^4+20048/8!*x^8+255870912/12!*x^12...at n=2A012736
• Theta series of lattice Kappa_9.at n=9A015233
• T(n,n+2), array T as in A047110.at n=8A047117
• Triangle T = A007318*A271703; T(n,m)= Sum_{i=0..n} L'(n,i)*binomial(i,m), m=0..n.at n=41A059110
• Nearest integer to log(n!)^(1 + log(1 + log(n))).at n=25A062444
• Rectangular array A read by upward antidiagonals in which the entry in row n and column k is defined by A(n,k) = 5 + 9*A005836(2^(k - 1)*(2 n - 1)), n,k >= 1.at n=40A265159
• T(n,k) is the number of labeled connected posets of n labeled elements with k covering relations (n>=1, k>=0). Triangle read by rows.at n=56A342588
• Number of partitions of n into 9 or more distinct parts.at n=41A347576