128103

Appears in sequences

• a(n) is the n-th new record value in A073300.at n=38A073301
• 2*a(n)^2 + 7 is a square.at n=13A077442
• a(0) = -1, a(1) = 2; a(n) = 2*a(n-1) + a(n-2).at n=14A078343
• Start with the sequence S(0)={1,1} and for k>0 define S(k) to be I(S(k-1)) where I denotes the operation of inserting, for i=1,2,3..., the term a(i)+a(i+1) between any two terms for which 4a(i+1)<=5a(i). The listed terms are the initial terms of the limit of this process as k goes to infinity.at n=26A082981
• Fixed-k dispersion for Q = 8: Square array D(g,h) (g, h >= 1), read by ascending antidiagonals.at n=42A120861
• Sum of all n-digit Pell numbers.at n=4A131621
• Number of (n+1) X 3 0..3 arrays with every 2 X 2 subblock having nonzero determinant and commuting with every horizontal or vertical neighbor.at n=13A206337
• Part of the y solutions of the Pell equation x^2 - 2*y^2 = +7.at n=6A253811
• a(n) = 2*a(n - 2) + a(n - 4) with a(0) = a(1) = 2, a(2) = 1, a(3) = 3.at n=27A266504
• Number of nX5 0..1 arrays with every element equal to 2, 3, 5, 6 or 8 king-move adjacent elements, with upper left element zero.at n=9A298892
• Numbers that are not the sum of distinct terms of A354005.at n=24A354007