38184

Appears in sequences

• Numbers k such that sigma(k) + sigma(k+1) = 4k.at n=1A068077
• Numbers k such that (sigma(k)+sigma(k+1))/k is an integer.at n=8A068078
• Numbers k that divide sigma(k-1)+sigma(k)+sigma(k+1), where sigma() is the "sum of integer divisors" function.at n=6A072188
• Number of partitions of n such that (least part) <= (multiplicity of greatest part).at n=41A240179
• Numbers k such that (23*10^k - 83)/3 is prime.at n=20A293027
• Number of nX5 0..1 arrays with every element unequal to 2, 3 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.at n=11A317899