40016

Appears in sequences

• Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 25.at n=7A031703
• Scaled triangle A067327.at n=40A067328
• a(n) = 64*n^2 + 16.at n=24A157912
• a(n) = 625*n^2 + 2*n.at n=7A158382
• A(n,k) is (1/n) times the n-th derivative of the k-th tetration of x (power tower of order k) x^^k at x=1; square array A(n,k), n>=1, k>=1, read by antidiagonals.at n=63A295028
• a(n) = (1/n) times the n-th derivative of the third tetration of x (power tower of order 3) x^^3 at x=1.at n=8A295103
• Numbers with property that both the digit sum and the sum of the prime factors (counted with multiplicity) have only digits 0 and 1 in base 10.at n=23A297614
• Number of integer partitions of the n-th Fermi-Dirac prime into Fermi-Dirac primes.at n=24A316210
• a(n) is the smallest k such that A342068(k) = n.at n=18A342069
• Numbers with three or more digits such that every three consecutive digits are a nonzero square.at n=39A365820
• Expansion of e.g.f. exp(exp(2*x) - 1)/(1 - x).at n=6A367972
• Numbers k that divide the k-th Franel number.at n=26A372940
• a(n) is the numerator of (120*n^2 + 151*n + 47)/(512*n^4 + 1024*n^3 + 712*n^2 + 194*n + 15).at n=31A374580