2096640

Appears in sequences

• Number of normalized Latin squares of order n containing no 2 X 2 Latin subsquare.at n=7A000611
• Number of irreducible polynomials of degree n over GF(8); dimensions of free Lie algebras.at n=8A027380
• Number of Lyndon words (aperiodic necklaces) with n beads of n colors.at n=7A075147
• Numbers which in at least two ways are the product of two distinct numbers with the same digits (leading zeros are forbidden).at n=10A077760
• a(n) = (5*n+1)*(5*n+3)*(5*n+5).at n=25A079610
• Location of records in A099564.at n=31A099565
• Numbers k such that S(S(k))=k, with S(n)=sigma(n)/4: 1/4-sociable numbers of order 1 or 2.at n=4A113286
• a(n) = 6*a(n-1) - 8*a(n-2) for n > 1; a(0) = 7, a(1) = 30.at n=9A171472
• Conjectured list of smallest members of fully k-sociable cycles of order r.at n=33A183026
• Augmentation of the triangular array P=A094727 given by p(n,k)=n+k+1 for 0<=k<=n. See Comments.at n=37A193093
• Number of squares that divide 1!*2!*3!*...*n!.at n=16A248784
• Number of enriched r-trees of size n with no empty subtrees.at n=15A301467
• Number of length n primitive (=aperiodic or period n) 8-ary words which are earlier in lexicographic order than any other word derived by cyclic shifts of the alphabet.at n=7A320073
• Positions of records in A344590.at n=17A344588
• Numbers k such that A246601(k) > 2*k.at n=9A359084
• a(n) = A001911(n)*A003266(n+2).at n=6A359458