29360

Appears in sequences

• Expansion of e.g.f. sin(log(x+1) - tan(x)).at n=9A013234
• arcsinh(log(x+1)-tan(x))=-1/2!*x^2-6/4!*x^4+8/5!*x^5-105/6!*x^6...at n=9A013240
• Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite DFO = DAF-1 [Mg14Al52P66O264].7R.40 H2O starting with a T3 atom.at n=6A019005
• Number of 2-element intersecting families of an n-element set; number of 2-way interactions when 2 subsets of power set on {1..n} are chosen at random.at n=7A036239
• Sum of a(n) terms of 1/k^(6/7) first exceeds n.at n=24A056183
• Matrix inverse of A008278, which is the reflected triangle of the Stirling numbers of 2nd kind.at n=42A106342
• Number of (n+2)X(5+2) 0..1 arrays with every 3X3 subblock sum of the two medians of the central row and column plus the two sums of the diagonal and antidiagonal nondecreasing horizontally, vertically and ne-to-sw antidiagonally.at n=19A259003
• a(n) is the number of partitions of n with Durfee square of size <= 4.at n=39A330642
• Triangle read by rows: The d-th row contains the Betti numbers of the d-dimensional resonance arrangement.at n=29A344494
• a(n) is the number of 2 X 2 matrices with elements 1..n where at least one row, at least one column and at least one of the two diagonals is strictly increasing.at n=16A391092