94208

Appears in sequences

• Theta series of shadow of shorter Leech lattice.at n=0A029754
• 13-almost primes (generalization of semiprimes).at n=23A069274
• Denominators in the Maclaurin series for arctan(1+x).at n=22A075554
• Binomial transform of A084263.at n=12A084264
• Interleave n+1 and 2n+1 and take binomial transform.at n=14A098156
• Triangle of Delannoy paths counted by number of diagonal steps not preceded by an east step.at n=37A110446
• First differences of A109975.at n=15A111297
• a(n) = (2*n + 1) * 2^(n + 1).at n=11A118417
• a(n) = n-th integer from among those positive integers with an exponent of n in their prime-factorizations.at n=11A123904
• a(n) = n*2^floor((n+1)/2).at n=23A132314
• Values of n such that (sigma(sigma(n))-phi(phi(n)))/n is an integer (the corresponding integral ratios are given in A136132).at n=31A136131
• Numbers with 26 divisors.at n=7A137489
• Totally multiplicative sequence with a(p) = 7p+2 for prime p.at n=23A166675
• a(n) is the largest 5-digit number with exactly n divisors, or a(n) = 0 if no such number exists.at n=25A182698
• a(n) = (n/4)*2^(n/2)*((1+sqrt(2))^2 + (-1)^n*(1-sqrt(2))^2).at n=23A187272
• Numbers that are not the sum of two squares and two fourth powers.at n=21A214891
• Solutions of sigma(sigma(x)) - phi(phi(x)) = 5x.at n=4A246802
• Expansion of x*(5+x+x^2)/(1-2*x).at n=15A248646
• Square array read by antidiagonals upwards: the n-th row o.g.f. is exp( Sum_{i >= 1} c(n,i)*x^i/i ) for n >= 1, where c(n,k) is Shanks' array of generalized Euler and class numbers.at n=24A262143
• Numbers of the form 4^k*(8*j+7) that have exactly three partitions into four positive squares.at n=20A274642