-5543

Appears in sequences

• Sum of determinants of 2nd order principal minors of powers of the matrix ((1,1,0,0),(1,0,1,0),(1,0,0,1),(1,0,0,0)).at n=17A074193
• Row sums of inverse of sequence array for Euler phi function.at n=38A106480
• The r-th term of the n-th row of the following array contains the sum of r successively decreasing integers beginning from n. 0 < r <= n. Sequence contains the leading diagonal.at n=22A110427
• Expansion of 1/(1-x(1-12x)).at n=7A146084