37753

Appears in sequences

• Expansion of e.g.f. sinh(sin(x)*exp(x)).at n=9A009594
• Numbers k such that sigma(phi(k)) - phi(sigma(k)) is nonzero and divisible by sigma(k), that is A065395(k)/A000203(k) is a nonzero integer.at n=28A092588
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, 0, 0), (0, -1, 1), (0, 1, 1), (1, 0, -1)}.at n=10A148791
• a(n) = 78*n^2 + 1.at n=22A158769
• Sum of all repeated parts of all partitions of n.at n=24A163986
• Numbers k such that (7*10^k - 439)/9 is prime.at n=20A293029