-140
domain: Z
Appears in sequences
- Expansion of Product_{n>=1} (1 - x^n)^7.at n=42A000730
- a(1) = 0, a(2) = -2; for n > 2, a(n) + a(n-2) - a(n-3) - a(n-5) - ... - a(n-p) = (-1)^(n+1)*n if n is prime, otherwise = 0, where p = largest prime < n.at n=32A002120
- Expansion of (1-4*x)^(7/2).at n=3A002423
- Expansion of (1-4*x)^(9/2).at n=9A002424
- a(n) = ceiling(Bernoulli(2n)/(-4n)).at n=10A003457
- Expansion of e.g.f. cos(tan(x)*exp(x)).at n=5A009076
- Expansion of e.g.f.: cosh(tan(log(1+x))).at n=5A009156
- E.g.f. sinh(log(1+x))*log(1+x).at n=5A009575
- Expansion of e.g.f. arctan(sin(x)*exp(x)).at n=5A012290
- tanh(arcsinh(x)*exp(x)) = x+2/2!*x^2-24/4!*x^4-140/5!*x^5-200/6!*x^6...at n=5A012591
- E.g.f.: cos(arctanh(x)*exp(x))=1-1/2!*x^2-6/3!*x^3-31/4!*x^4-140/5!*x^5...at n=5A012714
- Expansion of e.g.f.: cosh(arctan(x)+log(x+1))=1+4/2!*x^2-6/3!*x^3+19/4!*x^4-140/5!*x^5...at n=5A012969
- cosh(tanh(x)+log(x+1))=1+4/2!*x^2-6/3!*x^3+19/4!*x^4-140/5!*x^5...at n=5A013126
- sech(exp(x)-sec(x))=1-1/2!*x^2+1/4!*x^4+20/5!*x^5+23/6!*x^6...at n=7A013339
- Shifts left under inverse Euler transform.at n=31A038071
- Triangle read by rows: matrix 5th power of the Stirling-1 triangle A008275.at n=34A039817
- Matrix 10th power of inverse partition triangle A038498.at n=16A050313
- Regard triangle of rencontres numbers (see A008290) as infinite matrix, compute inverse, read by rows.at n=38A055137
- n - reversal of base 6 digits of n (written in base 10).at n=47A055953
- n - reversal of base 6 digits of n (written in base 10).at n=41A055953