63000

Appears in sequences

• Theta series of A_6 lattice.at n=34A008446
• a(n) = n^3*(n^3 + 1)*(n-1).at n=5A037251
• Number of reversible strings with n beads using exactly five different colors.at n=7A056312
• Number of primitive (aperiodic) reversible strings with n beads using exactly five different colors.at n=7A056321
• Scaled Chebyshev U-polynomials evaluated at sqrt(10)/2.at n=5A057086
• Numbers k such that (k+1)*phi(k) is a perfect square.at n=28A069952
• Exponential transform of unsigned Lah-triangle |A008297(n,k)|.at n=23A079005
• Exponential transform of unsigned Lah-triangle |A008297(n,k)|.at n=24A079005
• a(n) = binomial(n+2,2)*binomial(n+6,2).at n=19A104473
• Eighth column (m=7) of unsigned triangle A111595.at n=3A111781
• Experience Points thresholds for levels in the pen and paper role-playing game "Das Schwarze Auge" (DSA, a.k.a. "The Dark Eye").at n=35A124437
• Values of n*d(k)*sopf(k) associated with A134382.at n=24A134386
• a(n) = Sum_{k=0..n} C(n,k)*3^[k*(k-1)/2].at n=5A135755
• Numbers k such that k and k^2 use only the digits 0, 2, 3, 6 and 9.at n=27A136894
• Numbers k such that k and k^2 use only the digits 0, 3, 4, 6 and 9.at n=32A136932
• Numbers k such that k and k^2 use only the digits 0, 3, 5, 6 and 9.at n=27A136939
• Numbers k such that k and k^2 use only the digits 0, 3, 6, 7 and 9.at n=26A136944
• Numbers k such that k and k^2 use only the digits 0, 3, 6, 8 and 9.at n=39A136945
• Numbers k such that k and k^2 use only the digits 0, 3, 6 and 9.at n=26A136946
• a(n)=2a(n-1) but when sum of digits of 2a(n-1) is greater than 9 take a(n) = largest number < 2a(n-1) which has sum of digits = 9.at n=16A140134