31104

Appears in sequences

• Order of the group SL(2,Z_n).at n=35A000056
• Highly powerful numbers: numbers with record value of the product of the exponents in prime factorization (A005361).at n=21A005934
• MU-numbers: next term is uniquely the product of 2 earlier terms.at n=29A007335
• Denominators of strong coupling expansion, SU(3) lattice gauge theory.at n=2A008562
• Numbers n such that n is a substring of its square in base 6 (written in base 10).at n=44A018830
• Numbers of form 4^i*6^j, with i, j >= 0.at n=28A025618
• Number of ordered trees with n edges and having no branches of length 1.at n=18A026418
• Expansion of (theta_3(z^4)^3 + theta_2(z^4)^3)^3.at n=26A028696
• Numbers k that divide the (right) concatenation of all numbers <= k written in base 9 (most significant digit on left).at n=26A029454
• Numbers n such that n divides the (right) concatenation of all numbers <= n written in base 15 (most significant digit on right).at n=17A029508
• Theta series of lattice D3 tensor D3 (dimension 9, det. 4096, min. norm 4).at n=13A033693
• Numbers of the form 2^i*3^j, i+j even.at n=41A036667
• 4-full numbers: if a prime p divides k then so does p^4.at n=37A036967
• Triangle whose (i,j)-th entry is binomial(i,j)*6^(i-j)*12^j.at n=12A038266
• Triangle whose (i,j)-th entry is binomial(i,j)*8^(i-j)*9^j.at n=12A038287
• Triangle whose (i,j)-th entry is binomial(i,j)*9^(i-j)*8^j.at n=12A038298
• Triangle whose (i,j)-th entry is binomial(i,j)*12^(i-j)*6^j.at n=12A038332
• a(n) = 6^n * n!.at n=4A047058
• Generalized Stirling number triangle of first kind.at n=10A051151
• a(n) is the cototient of n^3.at n=35A053192