49472

Appears in sequences

• Trajectory of 1 under map n->43n+1 if n odd, n->n/2 if n even.at n=23A033977
• Denominators of continued fraction convergents to sqrt(893).at n=13A042727
• Expansion of (1/(1-2x))*exp(2x/(1-2x)).at n=5A129683
• Numbers k such that k and k^2 use only the digits 2, 4, 7, 8 and 9.at n=24A137107
• Expansion of g.f. (1/2)*( a*(1+x)^n + b*(1-x)^(n+2)*LerchPhi(x, -n-1, 1) + c*2^(n+1)*(1-x)^(n+1)*LerchPhi(x, -n, 1/2) ), where a = -4, b = 2, and c = 2, read by rows.at n=24A168518
• Number of (n+1)X(n+1) 0..3 symmetric matrices with every 2X2 subblock having three distinct values, and new values 0..3 introduced in lower triangle row major order.at n=3A210829