132860

Appears in sequences

• a(n) = 2*a(n-1) + 3*a(n-2), with a(0)=0, a(1)=1.at n=12A015518
• Numbers that are repdigits in base 9.at n=42A048334
• Numbers n such that A081249(m)/m^2 has a local maximum for m = n.at n=10A081251
• Maximal cycle lengths in a certain class of one-dimensional cellular automata.at n=32A085591
• Integer squares y from the smallest solutions of y^2 = x*(a^N - x)*(b^N + x) (elliptic line, Weierstrass equation) with a and b legs in primitive Pythagorean triangles and N = 2. Sequence ordered in increasing values of leg a.at n=23A120210
• Numbers whose base-9 representation is 22222222.......2.at n=6A125857
• a(n) = floor(n^4/4).at n=27A131479
• a(n) = 3*a(n-1) - a(n-3) + 3*a(n-4), with initial values 1,3,7,20.at n=11A132868
• Partial sums of A132357.at n=11A135266
• Moore lower bound on the order of a (10,g)-cage.at n=9A198310
• Sum of positive even numbers up to n^2.at n=26A235367
• a(n) = a(n-1) + 2*a(n-2) - 2*a(n-3) + 3*a(n-4) - 3*a(n-5), where a(0) = 1, a(1) = 3, a(2) = 6, a(3) = 11, a(4) = 20, a(5) = 33.at n=20A297443
• Numbers k such that 4*k + 1 is a perfect cube, sorted by absolute values.at n=40A305290
• Numbers n for which A324108(n) = A324054(n-1) and which are neither prime powers nor of the form 2^i * p^j, where p is an odd prime, with either exponent i or j > 0.at n=23A324111
• Oblong numbers m such that beta(m) = tau(m)/2 where beta(m) is the number of Brazilian representations of m and tau(m) is the number of divisors of m.at n=3A326385