103950

Appears in sequences

• Expansion of e.g.f. sin(log(x+1) - arcsinh(x)).at n=11A013270
• The convolution matrix of the double factorial of odd numbers (A001147).at n=41A035342
• a(n) = smallest number which can be expressed as sum of d consecutive positive integers in exactly n ways (where d>0 is a divisor of the number).at n=28A082637
• Triangle read by rows: T(0,0) = 1, T(n,k) = Sum_{j=max(0,1-k)..n-k} (2^j)*(binomial(k+j,1+j) + binomial(k+j+1,1+j))*T(n-1,k-1+j).at n=19A085734
• T(n, k) = [x^k] (2*n)! [z^(2*n)] 1/cos(z)^x, triangle read by rows, for 0 <= k <= n.at n=26A088874
• Triangle read by rows: T(n,k) is the number of down-up permutations on [n] with k left-to-right maxima.at n=40A098906
• a(n) = C(n+8,8) * C(n+6,6).at n=4A107319
• a(n) = binomial(n+4,4)*binomial(n+6,4).at n=6A107395
• Numbers taking exactly 21 steps to reach 15 in A086793.at n=1A119397
• Quasi-mirror of A062196 formatted as a triangular array.at n=51A124051
• Sixth column of triangle A035342.at n=3A132051
• Numbers with exactly 5 distinct prime divisors {2,3,5,7,11}.at n=31A147572
• A double factorial triangle.at n=31A193229
• Denominators of coefficients in Taylor series expansion of log(cotan(x)*arcsin(x)).at n=5A202620
• Triangular array read by rows. Row n lists the coefficients of the closed form of hypergeometric([1/2, -n/2, (1-n)/2], [], 4*z).at n=38A246256
• a(n) = n*(n + 1)*(n + 2)*(7*n - 5)/12.at n=20A264850
• Numbers such that the decimal digits of sigma(n) are a permutation of those of sigma(n)-n.at n=36A277114
• a(n) = lcm(A260443(n), A260443(1+n)).at n=23A284008
• a(n) = A059896(A260443(n), A260443(1+n)).at n=23A284576
• Reduced denominators of the Kirchhoff sum index for the n-halved cube graph.at n=12A290368