25971

Appears in sequences

• Smallest number such that n-th iterate of Chowla function is 0.at n=23A002954
• a(n) = [ 3rd elementary symmetric function of {sqrt(k)} ], k = 1,2,...,n.at n=16A025194
• Number of partitions satisfying 0 < cn(0,5) + cn(1,5) + cn(2,5) + cn(3,5) and 0 < cn(0,5) + cn(4,5) + cn(2,5) + cn(3,5).at n=38A039903
• Integers k such that nextprime(k^5) - prevprime(k^5) = 4.at n=23A090123
• n times pi(n) is a palindrome, where pi(n) = PrimePi(n) = A000720(n).at n=30A116054
• a(n) = A128022(n)/n.at n=19A128023
• a(1)=1, a(n)=a(n-1)+n^2 if n odd, a(n)=a(n-1)+ n^3 if n is even.at n=20A140149
• a(n) is the smallest positive number such that a(n)*n is an anagram of a(n)*4.at n=33A175693
• Number of compositions of n in which the minimal multiplicity of parts equals 5.at n=21A244168
• Number of (n+2) X (1+2) 0..1 arrays with each 3 X 3 subblock having clockwise perimeter pattern 00010101 00100101 or 01010101.at n=11A261258
• Growth series for affine Coxeter group B_6.at n=14A267169
• Numbers k such that there are exactly four biquadratefree powerful numbers (A338325) between k^2 and (k+1)^2.at n=21A338391
• Numbers that are the sum of seven fourth powers in seven or more ways.at n=24A345573
• Numbers that are the sum of seven fourth powers in exactly seven ways.at n=15A345829
• G.f. A(x) satisfies 1/3 = Sum_{n=-oo..+oo} x^n*A(x)^n * (A(x)^n + 2*x)^(n-1) * (x^n + 2*A(x))^(n-1).at n=4A381364