1310400

Appears in sequences

• Expansion of e.g.f. cosh(tan(x)*arcsin(x)) (only even powers).at n=5A012384
• Average theta series of odd unimodular lattices of dimension 10 (multiplied by 5).at n=12A029812
• Scaled sums of squares.at n=5A060080
• Number of n-cycles on the graph of the regular 600-cell, 3 <= n <= 120.at n=4A167985
• Sequence that arises in connection with the number of primes between consecutive squares.at n=11A174197
• Number of permutations of 1..n with the sequence of sums of 3 adjacent elements having exactly 3 maxima.at n=4A179718
• Number of permutations of 1..n with the sequence of sums of 4 adjacent elements having exactly 3 maxima.at n=3A179722
• E.g.f. equals the series reversion of x - x^2*exp(x^2).at n=6A227462
• Number of (6+1) X (n+1) 0..1 arrays with every 2 X 2 subblock ne-sw antidiagonal difference unequal to its neighbors horizontally and nw+se diagonal sum unequal to its neighbors vertically.at n=25A253703
• Highly composite numbers of class 2 (see comment in A275239).at n=40A275240
• Coefficients of a representation of gamma_{n-1}(1) - gamma_{n-1}(n) where gamma_n(x) are the generalized Euler-Stieltjes constants, triangle read by rows, for n >= 1 and 0 <= k <= n-1.at n=30A303638