29203

Appears in sequences

• a(n) is the concatenation of n and 7n.at n=28A009441
• Number of forests of ordered trees on n total nodes.at n=11A052854
• Square root of n has the same nonzero digit in each of the first 4 places to the right of the decimal point.at n=11A073585
• Denominator of Product_{ 2 <= p < 2*n } (2*n - p)/p.at n=26A084763
• Number of series-reduced balanced trees with n leaves.at n=27A120803
• 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, 1, 0), (1, -1, 1), (1, 0, 0)}.at n=11A148181
• a(n) = 81*n^2 - 2*n.at n=18A157507
• Sum of the fourth powers of the first n odd-indexed Fibonacci numbers.at n=4A203170
• Number of equivalence classes of S_n under transformations of positionally and numerically adjacent elements of the form abc <--> acb <--> bac <--> cba, where a<b<c.at n=8A212433
• Numbers k such that (29*10^k + 91)/3 is prime.at n=33A269797
• Denominators of r-Egyptian fraction expansion for sqrt(2) - 1, where r(k) = 1/(2k-1).at n=4A270548