929569
domain: N
Appears in sequences
- Genocchi numbers (of first kind); unsigned coefficients give expansion of x*tan(x/2).at n=7A001469
- Denominator of Pi^(2n)/(Gamma(2n)*(1-2^(-2n))*zeta(2n)).at n=7A002425
- Numerators in Taylor series for tan(x). Also from Taylor series for tanh(x).at n=7A002430
- Triangle of coefficients of Euler polynomials E_2n(x) (exponents in increasing order).at n=65A004172
- Numerators of coefficients in Taylor series expansion of log(cosec(x)*tanh(x)).at n=8A012860
- Triangle of numbers associated with Genocchi numbers.at n=38A014782
- Triangle of numbers associated with Genocchi numbers.at n=21A014783
- Triangle of numbers associated with Genocchi numbers.at n=27A014783
- Average theta series of odd unimodular lattices of dimension 17 (multiplied by 929569).at n=0A029818
- Genocchi numbers (of first kind): expansion of 2*x/(exp(x)+1).at n=15A036968
- Triangle of coefficients of Gandhi polynomials.at n=28A036970
- Numerators of Taylor series for log(1/cos(x)). Also from log(cos(x)).at n=8A046990
- Numerator of S(n)/Pi^n, where S(n) = Sum_{k=-inf..+inf} (4k+1)^(-n).at n=15A050970
- Coefficients of even-indexed Euler polynomials (falling powers without zeros).at n=44A060082
- Coefficients of even-indexed Euler polynomials (rising powers without zeros).at n=36A060083
- Triangle of Salie numbers.at n=38A065547
- Triangular array A065547 unsigned and transposed.at n=42A085707
- Triangular array A065547 unsigned and transposed.at n=43A085707
- Another version of triangular array in A036970: triangle T(n,k), 0<=k<=n, read by rows; given by [0, 1, 2, 4, 6, 9, 12, 16, 20, 25, 30, ...] DELTA [1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, ...] where DELTA is the operator defined in A084938.at n=37A094346
- Numerators of the coefficients in the Taylor expansion of sec(x) + tan(x) around x=0.at n=15A099612