35048

Appears in sequences

• Denominators of continued fraction convergents to sqrt(42).at n=7A041071
• Denominators of continued fraction convergents to sqrt(378).at n=9A041717
• a(n) = 2025*n^2 - 3401*n + 1428.at n=4A156854
• y-values in the solution to x^2 - 42*y^2 = 1.at n=4A174779
• a(n) = number of n-lettered words in the alphabet {1, 2, 3} with as many occurrences of the substring (consecutive subword) [1, 1, 1] as of [2, 1, 2].at n=10A211285
• Maximal number of partitions having the same degree in the partition graph G(n) defined at A241150.at n=45A241152
• The PI index of the Aztec diamond AZ(n) (see the Imran et al. reference).at n=5A292343
• a(n) = Sum_k k*A333274(n,k).at n=14A333276
• Number of nonequivalent n X n binary matrices with an equal number of ones in every row and column up to permutation of rows.at n=7A333891
• Even composite integers m such that A004254(m)^2 == 1 (mod m).at n=41A338314