24641

Appears in sequences

• 4-dimensional centered cube numbers.at n=10A008514
• Pseudoprimes to base 90.at n=34A020218
• Strong pseudoprimes to base 85.at n=17A020311
• Strong pseudoprimes to base 90.at n=11A020316
• Strong pseudoprimes to base 97.at n=19A020323
• Strong pseudoprimes to base 99.at n=20A020325
• Numbers k such that the continued fraction for sqrt(k) has period 71.at n=22A020410
• Numerators of continued fraction convergents to sqrt(770).at n=7A042484
• Generalized Fermat numbers of the form (k+1)^2^m + k^2^m, with m>1.at n=11A078901
• Third row of Pascal-(1,7,1) array A081582.at n=28A081593
• a(n) = n*(n^2+3*n-1)/3.at n=41A084990
• Integers with mutual residues of 8.at n=3A110360
• Number of walks within N^2 (the first quadrant of Z^2) starting at (0,0) and consisting of n steps taken from {(-1, 0), (1, -1), (1, 1)}.at n=11A151266
• a(n) = 10^n + 11^n.at n=4A155872
• a(n) = 128*n^2 - 32*n + 1.at n=13A157331
• a(n) = 128*n^2 + 2528*n + 12481.at n=3A157436
• a(n) = 18*n^2 - 1.at n=36A157910
• (10^n)^4+(10^n+1)^4.at n=1A171687
• Quartan semiprimes: semiprimes of the form x^4 + y^4, x>0, y>0.at n=19A182277
• Number of (w,x,y,z) with all terms in {0,...,n} and max{w,x,y,z}<2*min{w,x,y,z}.at n=21A212740