940369969152
domain: N
Appears in sequences
- Ratios of successive terms are 2, 3, 2, 3, 2, 3, 2, 3, ...at n=31A026549
- Number of 6-ary Lyndon words with trace 1 mod 6.at n=17A054666
- Ninth column of triangle A067425.at n=8A067429
- a(n) = phi(6^n).at n=16A167747
- Denominators of reduced coefficients in expansion of e.g.f. for operads for alia algebras.at n=33A220435
- Denominators of reduced coefficients in expansion of e.g.f. for operads for alia algebras.at n=34A220435
- Number of defective 3-colorings of an n X 3 0..2 array connected diagonally and antidiagonally with exactly one mistake, and colors introduced in row-major 0..2 order.at n=13A229505
- Numbers of the form P(k)^m * Q(k), k > 1, m >= 0, with P(k) = Product_{i=1..k} prime(i) = A002110(k) and Q(k) = Product_{j=1..k} P(j) = A006939(k).at n=27A387492
- Numbers of the form P(k)^m * Q(k), k > 1, m >= 1, with P(k) = Product_{i=1..k} prime(i) = A002110(k) and Q(k) = Product_{j=1..k} P(j) = A006939(k).at n=23A387493