1399680

Appears in sequences

• Denominators of coefficients of Green function for cubic lattice.at n=4A003298
• Triangle whose (i,j)-th entry is binomial(i,j)*9^(i-j)*12^j.at n=18A038302
• Triangle whose (i,j)-th entry is binomial(i,j)*12^(i-j)*9^j.at n=17A038335
• Values of phi in arithmetic progression of at least 6 terms having the same value of phi in A050518.at n=8A050520
• Expansion of (1-x)/(1-6*x).at n=8A052934
• a(n) = (n-2)*(n-1)^n.at n=6A061250
• Number of palindromes of length n (in base 6).at n=14A117858
• Number of palindromes of length n (in base 6).at n=15A117858
• Triangle read by rows: numbers of isomers of unbranched a-4-catapolynonagons.at n=56A120650
• Unbranched a-4-catapolynonagons (see Brunvoll reference for precise definition).at n=8A121124
• a(n) = n*(n-1)*6^n.at n=6A128800
• a(n) = 6*a(n-2) for n > 2; a(1) = 1, a(2) = 5.at n=15A166023
• Numbers k such that rad(k)^2 divides sigma(k).at n=28A173615
• a(n) = n^8 - n^7.at n=6A240931
• Intersection of A025487 and A026477.at n=24A275911
• a(n) is the Narumi-Katayama index of the Fibonacci cube Gamma(n).at n=4A307157
• a(0) = 1; for n > 0, a(n) = A000120(n) * a(n-A000120(n)), where A000120(n) is the binary weight of n.at n=45A320008
• a(n) = A283980(A025487(n)).at n=27A330681