274576

Appears in sequences

• Squares which are palindromes in base 3.at n=19A029985
• Perfect squares in A133459; or perfect squares that are the sums of two nonzero pentagonal pyramidal numbers.at n=26A136359
• Number of (3+1)X(n+1) arrays of permutations of 0..n*4+3 with each element having directed index change -1,0 0,2 -1,-2 or 1,0.at n=10A264521
• Squares that become prime when their rightmost digit is removed.at n=37A265211
• Squares whose base-3 expansion has no 0.at n=21A363428