-138
domain: Z
Appears in sequences
- Coefficients of high-temperature series for specific heat of spin-1/2 Ising model on a cristobalite lattice.at n=4A005392
- Expansion of (eta(q) * eta(q^5))^4 in powers of q.at n=62A030210
- 7th differences of primes.at n=40A036268
- Expansion of Product_{k > 0} 1/(1 + x^prime(k)).at n=57A048165
- n - reversal of base 4 digits of n (written in base 10).at n=71A055949
- McKay-Thompson series of class 14a for Monster.at n=5A058505
- Determinant of n X n matrix M(n) where m(i,i)=i if i>j, m(i,j)=i-j if j>i, m(i,j)=j-i.at n=5A078994
- a(n) = M(n!), the value of Mertens's function at the n-th factorial.at n=9A087989
- Values of y arising from representations of n >= 11 in A085514.at n=35A102775
- a(n) = a(n-1) - 2*a(n-2) - 3*a(n-3) - ... - (n-1)*a(1), a(1) = a(2) = 3, a(3) = -3.at n=9A106542
- Expansion of 1/((1+x+x^2)*(1+5*x+x^2)).at n=3A110311
- a(n) = -n^2 - n + 72.at n=14A110678
- f(f(n+1))-f(f(n)), where f(0)=0, and for m>0, f(m) = sigma(m) = A000203(m).at n=40A111408
- Expansion of Product_{k>=1} (1 + x^k)^lambda(k) where lambda(k) is the Liouville function, A008836.at n=52A118207
- Expansion of (9 * theta_4(q^3)^4 - theta_4(q)^4) / 8 in powers of q.at n=45A118271
- Expansion of (eta(q) * eta(q^6))^7 / (eta(q^2) * eta(q^3))^5 in powers of q.at n=19A123532
- Triangle T(n,k) = A136451(n,k), except T(0,0)=2.at n=38A124018
- Expansion of (1 - b(q)*b(q^2)) / 3 where b() is a cubic AGM function. Expansion of (1 - eta(q)^3 * eta(q^2)^3 / (eta(q^3) * eta(q^6))) / 3 in powers of q.at n=44A131944
- Output of Knuth's "man or boy" test for varying k.at n=11A132343
- Expansion of psi(x) * phi(-x)^3 / chi(-x^3)^3 in powers of x where phi(), psi(), chi() are Ramanujan theta functions.at n=22A134077