73204

Appears in sequences

• a(n) = 5*11^n - 1.at n=4A199022
• Number T(n,k) of equivalence classes of ways of placing k 7 X 7 tiles in an n X n square under all symmetry operations of the square; irregular triangle T(n,k), n>=7, 0<=k<=floor(n/7)^2, read by rows.at n=48A236865
• Number T(n,k) of equivalence classes of ways of placing k 8 X 8 tiles in an n X n square under all symmetry operations of the square; irregular triangle T(n,k), n>=8, 0<=k<=floor(n/8)^2, read by rows.at n=50A236915
• Number T(n,k) of equivalence classes of ways of placing k 9 X 9 tiles in an n X n square under all symmetry operations of the square; irregular triangle T(n,k), n>=9, 0<=k<=floor(n/9)^2, read by rows.at n=52A236936
• Number T(n,k) of equivalence classes of ways of placing k 10 X 10 tiles in an n X n square under all symmetry operations of the square; irregular triangle T(n,k), n>=10, 0<=k<=floor(n/10)^2, read by rows.at n=54A236939
• Number of length n+3 0..3 arrays with no four consecutive terms having the sum of any three elements equal to three times the fourth.at n=5A249285
• T(n,k) = Number of length n+3 0..k arrays with no four consecutive terms having the sum of any three elements equal to three times the fourth.at n=33A249290
• Number of length 6+3 0..n arrays with no four consecutive terms having the sum of any three elements equal to three times the fourth.at n=2A249296
• Starts of runs of 3 consecutive numbers that have an equal number of even and odd exponents in their prime factorization (A187039).at n=25A348077
• Number of ordered n-tuples (x_1, x_2, x_3, ..., x_n) such that Sum_{k=1..n} 1/x_k is an integer and x_k is an integer between 1 and n for 1 <= k <= n.at n=8A349146