152040

Appears in sequences

• Values of m such that N = (am+1)(bm+1)(cm+1) is a 3-Carmichael number (A087788), where a,b,c = 1,2,69.at n=15A065702
• a(1)=3; a(2n), a(2n+1) are smallest integers > a(2n-1) such that a(2n-1)^2+a(2n)^2=a(2n+1)^2.at n=19A077034
• Number of base 26 n-digit numbers with adjacent digits differing by one or less.at n=9A126380
• Triangle of coefficients of p(x,n) = (1/3)*(1-x)^(n+1)*Sum_{m >= 0} ((5*m+4)^n - (5*m+1)^n)*x^m, read by rows.at n=22A154855
• a(n) = 8000*n + 40.at n=18A157663
• a(n) = 169*n^2 - 2*n.at n=29A158218