40077

Appears in sequences

• Related to population of numbers of form x^2 + y^2.at n=17A000709
• Square root of A030681.at n=35A030682
• a(n) = Sum_{k=0..floor(n/2)} C(n-k,k+2)*2^(n-k-2)*(3/2)^k.at n=10A099623
• Total sum of parts of multiplicity 1 in all partitions of n.at n=27A103628
• Numbers k such that prime(k) == 13 (mod k).at n=14A116658