45353

Appears in sequences

• a(n) = floor(exp(2/17)*n!).at n=7A030898
• a(n) = A027762(n)/A165734(n).at n=44A165949
• a(0)=1, a(n)=A002445(n)/6 for n>=1.at n=45A177735
• -7-Knödel numbers.at n=28A225511
• Squarefree numbers which yield zero when their prime factors are xored together.at n=25A235488
• Zeroless numbers k such that k - (sum of digits of k) and k - (product of digits of k) contain the same distinct digits as k.at n=21A248717
• Number of length 1+4 0..n arrays with every five consecutive terms having two times the sum of some three elements equal to three times the sum of the remaining two.at n=11A248988
• Numbers k for which rank of the elliptic curve y^2 = x^3 - 432*k^2 is 4.at n=6A309964
• Terms of A349937 that are not divisible by 3: numbers k > 1 not divisible by 2 or 3 such that A309906(k-1) < A309906(k) > A309906(k+1).at n=35A349941
• a(n) = A110936(n)/6 for n >= 3.at n=55A366923
• a(n) = (1/(2*n+1)) * Sum_{k=0..n} k^2 * (2*k+1) * binomial(3*n-k,n-k).at n=7A390971