113491

Appears in sequences

• Strong pseudoprimes to base 55.at n=28A020281
• Strong pseudoprimes to base 61.at n=24A020287
• Denominators of continued fraction convergents to sqrt(475).at n=10A041907
• Thickened cube numbers: a(n) = n*(n^2 + (n-1)^2) + (n-1)*2*n*(n-1).at n=30A050492
• Numbers k such that k and its digit reversal both are difference of successive cubes.at n=9A109880
• Least k such that prime(n)^3 divides binomial(2k,k).at n=17A110496
• a(n) = ((2*n+1)^3+(-1)^n)/2.at n=30A175109
• Number of n X 2 0..1 arrays with rows, columns and antidiagonals unimodal and diagonals nondecreasing.at n=38A223764
• Number of (n+4)X6 0..2 matrices with each 5X5 subblock idempotent.at n=11A224619
• 21*n^4 - 36*n^3 + 25*n^2 - 8*n + 1.at n=9A239426
• Centered hexagonal numbers that are sphenic numbers.at n=19A382628