134164

Appears in sequences

• a(n) = 6*binomial(n,4) + 3*binomial(n,3) + 4*binomial(n,2) - n + 2.at n=27A066375
• Smallest number whose square has sum of digits A056991(n).at n=36A067179
• Square roots of A068809.at n=28A068947
• Matrix product of unsigned Stirling1-triangle |A008275(n,k)| and Stirling1-triangle A008275(n,k).at n=46A079642
• Number of nonnegative integer arrays of length n+11 with new values 0 upwards introduced in order, no three adjacent elements all unequal, and containing the value 6.at n=6A211846
• Number of nonnegative integer arrays of length 2n+8 with new values 0 upwards introduced in order, no three adjacent elements all unequal, and containing the value n+1.at n=4A211853
• a(n) is the smallest m for which there appears for the first time a prime p which equals odd part of sum of digits of m^2.at n=15A225430
• T(n, k) = [x^k] Sum_{k=0..n} |Stirling1(n, k)|*FallingFactorial(x, k), triangle read by rows, for n >= 0 and 0 <= k <= n.at n=57A325873
• E.g.f.: log(1 - log(1 - x))^2 / 2.at n=8A341575
• Smallest k such that the sum of digits of k^2 in base 10 is divisible by n.at n=40A389004