37634

Appears in sequences

• A Lucas-Lehmer sequence: a(0) = 4; for n>0, a(n) = a(n-1)^2 - 2.at n=3A003010
• a(n) = 4*a(n-1) - a(n-2) with a(0) = 2, a(1) = 4.at n=8A003500
• Number of partitions of 5n such that cn(1,5) = cn(4,5) < cn(0,5) <= cn(2,5) = cn(3,5).at n=14A036890
• a(n) = 14*a(n-1) - a(n-2); a(0) = 2, a(1) = 14.at n=4A067902
• A number triangle associated with the Chebyshev polynomials of the first kind.at n=57A101161
• Triangle, diagonals generated from Lucas polynomials.at n=46A118007
• Residues of the Lucas - Lehmer primality test for M(17) = 131071.at n=3A129222
• Residues of the Lucas - Lehmer primality test for M(19) = 524287.at n=3A129223
• Residues of the Lucas - Lehmer primality test for M(23) = 8388607.at n=3A129224
• Residues of the Lucas - Lehmer primality test for M(29) = 536870911.at n=3A129225
• Residues of the Lucas - Lehmer primality test for M(31) = 2147483647.at n=3A129226
• A modified Engel expansion for sqrt(3) - 1.at n=11A220335
• Number of perfect matchings in the twisted graph (C_4 X C_n)_(1234).at n=7A220867
• Sides of (Heronian) triangles where sides are consecutive integers and area is an integer.at n=22A242497
• a(n) is the number of terms in expanded form of bivariate polynomial Q_n, where (P_n, Q_n) is defined by: P_0 = x, Q_0 = y, P_(n+1) = P_n + Q_n, Q_(n+1) = P_n * Q_n.at n=12A296516
• Rectangular array A: first differences of row entries of array A294099, read by antidiagonals.at n=62A298675
• Array read by antidiagonals upwards: a(i,0) = 2, i >= 0; a(i,1) = i+2, i >= 0; a(i,j) = (i+2) * a(i,j-1) - a(i,j-2), for i >= 0, j > 1.at n=63A299741
• a(n) = n^4 + 8*n^3 + 20*n^2 + 16*n + 2.at n=12A304725
• Primitive part of A001353(n).at n=15A306825
• a(n) = MPR2(n, 4), where MPR2(n, x) is the (monic) minimal polynomial of 2*cos(2*Pi/n) as defined in A232624.at n=31A309040