33193

Appears in sequences

• a(n) = floor( n*(n-1)*(n-2)*(n-3)/26 ).at n=32A011936
• Replace 2n+1 with concatenation of its divisors >1.at n=46A037287
• Engel expansion of log(1/gamma) (where gamma is the Euler-Mascheroni constant A001620) = 0.549539...at n=9A059192
• Numbers with sum of digits = 19, divisible by 19 and containing the string "19".at n=6A121669
• a(n) = numerator of (1/n^3)*(-1/(n+1) + 16/(n+2) + 3/(4*(2*n+1)) - 81/(4*(2*n+3))), term of a BBP-type series representation of zeta(3) by V. Adamchik and S. Wagon.at n=10A256323
• Numbers k for which rank of the elliptic curve y^2 = x^3 - 432*k^2 is 4.at n=2A309964