42436

Appears in sequences

• a(n) = (6*n + 2)^2.at n=34A016934
• a(n) = (7*n + 3)^2.at n=29A017018
• a(n) = (8*n+6)^2.at n=25A017138
• a(n) = (9*n + 8)^2.at n=22A017258
• a(n) = (10*n + 6)^2.at n=20A017342
• a(n) = (11*n + 8)^2.at n=18A017486
• a(n) = (12*n + 2)^2.at n=17A017546
• Squares with initial digit '4'.at n=18A045787
• Squares whose product of digits is also a nonzero square.at n=27A053059
• Squares the sum of the squares of whose digits are squares.at n=14A061090
• a(n) = 4*prime(n)^2.at n=26A069262
• Perfect powers pp such that pp+1 is prime.at n=35A075408
• Even squares k such that k-1 is divisible by a square > 1.at n=36A088033
• Perfect powers which have at least one prime neighbor.at n=39A088259
• A104315(n)^2.at n=5A104316
• Squares appearing in A062064: a(n) = A062064(n) + A062064(n+1).at n=20A134537
• a(n) is the smallest square that has n as a string immediately before the final digit, or 0 if no such number exists.at n=42A175689
• Number of nX4 0..1 arrays avoiding 0 0 1 and 0 1 1 horizontally and 0 0 1 and 1 0 0 vertically.at n=6A207748
• T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 1 and 0 1 1 horizontally and 0 0 1 and 1 0 0 vertically.at n=51A207752
• Number of 7Xn 0..1 arrays avoiding 0 0 1 and 0 1 1 horizontally and 0 0 1 and 1 0 0 vertically.at n=3A207756