33733

Appears in sequences

• a(n) = floor(n*(n-1)*(n-2)*(n-3)/9).at n=25A011919
• Numbers having four 3's in base 10.at n=30A043504
• Numbers containing only digits 3 or 7 in decimal representation.at n=34A143967
• a(n) = (10^(2n+1)-1)/3 + 4*10^n.at n=2A332137
• Result of inserting the integers n = 0, 1, 2, ... in this order into an initially empty list, where n is inserted between the pair of consecutive elements with sum equal to n and minimal absolute difference, or at the end of the list if no such pair exists.at n=18A360447