880000
domain: N
Appears in sequences
- E.g.f.: (1/(1-x^4))*exp( 4*Sum_{i>=0} x^(4*i+1)/(4*i+1) ) for an order-4 linear recurrence with varying coefficients.at n=8A097679
- Coefficient of x^(3n)/(3n)! in the Maclaurin expansion of the Dixon elliptic function cm(x,0).at n=4A104134
- Numbers k such that k and k^2 use only the digits 0, 1, 4, 7 and 8.at n=26A136864
- Numbers k such that k and k^2 use only the digits 0, 3, 4, 7 and 8.at n=9A136933
- Numbers k such that k and k^2 use only the digits 0, 4, 5, 7 and 8.at n=23A136951
- Numbers k such that k and k^2 use only the digits 0, 4, 6, 7 and 8.at n=33A136954
- Numbers k such that k and k^2 use only the digits 0, 4, 7 and 8.at n=9A136958
- Number of (3+2)X(n+2) 0..1 arrays with every 3X3 subblock sum of the medians of the diagonal and antidiagonal minus the two sums of the central row and column nondecreasing horizontally, vertically and ne-to-sw antidiagonally.at n=7A255758
- Coefficients T(n,k) of x^(3*n)*r^(3*k)/(3*n)! in power series C(x,r) = 1 + Integral S(x,r)^2 * D(x,r)^2 dx such that C(x,r)^3 - S(x,r)^3 = 1 and D(x,r)^3 - r^3*S(x,r)^3 = 1, as a triangle read by rows.at n=10A357541
- Coefficients T(n,k) of x^(3*n)*r^(3*k)/(3*n)! in power series D(x,r) = 1 + r^3 * Integral S(x,r)^2 * D(x,r)^2 dx such that C(x,r)^3 - S(x,r)^3 = 1 and D(x,r)^3 - r^3*S(x,r)^3 = 1, as a triangle read by rows.at n=14A357542
- E.g.f. satisfies A(x) = exp( Integral abs(1/A(x)) dx ), where abs(F(x)) equals the series expansion formed by the unsigned coefficients in F(x).at n=11A381360