99856

Appears in sequences

• a(n) = (8*n + 4)^2.at n=39A017114
• a(n) = (10*n + 6)^2.at n=31A017342
• a(n) = (11*n + 8)^2.at n=28A017486
• a(n) = (12*n + 4)^2.at n=26A017570
• Squares with initial digit '9'.at n=24A045793
• Number of degree-n even permutations of order dividing 4.at n=10A061129
• Largest n-digit square.at n=4A061433
• Non-Cayley-isomorphic circulant self-complementary undirected p^2-graphs, indexed by odd primes p.at n=14A061849
• Largest square <= 10^n.at n=4A065736
• Numbers n such that n and its 10's complement are both squares, i.e., n and 10^k - n (where k is the number of digits in n) are squares.at n=15A068810
• Squares which when reversed are primes (ignore leading zeros).at n=29A068989
• Largest n-digit perfect power.at n=4A069659
• Perfect powers whose digit reversal is prime.at n=32A088112
• Largest n-digit square with no zero digits.at n=4A104266
• Squares of the form semiprime(n) + prime(n).at n=34A111440
• n*(1+3*n+6*n^2)/2.at n=32A115519
• Squares in A076361.at n=31A115557
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (0, 1, -1), (0, 1, 0), (1, 0, 0)}.at n=11A149820
• a(n) is the largest 5-digit number with exactly n divisors, or a(n) = 0 if no such number exists.at n=14A182698
• Number of (n+1) X 3 0..3 arrays with every 2 X 2 subblock having zero permanent.at n=2A206249