33373

Appears in sequences

• Numbers having four 3's in base 10.at n=24A043504
• Numbers k such that k^12 == 1 (mod 13^4).at n=14A056095
• a(n) = number of Egyptian fractions 1 = 1/x_1 + ... + 1/x_k (for any k), 0<x_1<...<x_k<=n.at n=53A092670
• Near-repdigit semiprimes with 3 as repeated digit.at n=28A105984
• Numbers containing only digits 3 or 7 in decimal representation.at n=32A143967
• 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, -1, 1), (-1, 1, 1), (1, 0, -1), (1, 1, -1), (1, 1, 1)}.at n=8A149753
• Number of nondecreasing sequences of n 1..6 integers with no element dividing the sequence sum.at n=37A212866
• Number of isomorphism classes of connected plane 4-regular multigraphs.at n=7A277739
• Arithmetic derivatives of the sums of three primorials > 1.at n=40A370138
• Expansion of (1/x) * Series_Reversion( x * (1 - x / (1 - x)^2)^2 ).at n=6A389691