195364

Appears in sequences

• Expansion of 1/(1+2*x^2+x^3).at n=31A077967
• Main diagonal of A082043: a(n) = n^4 + 2*n^2 + 1.at n=21A082044
• Smith square numbers.at n=13A098839
• Squares of second pentagonal numbers: a(n) = (1/4)*n^2*(3*n+1)^2.at n=17A100256
• Squares for which both the sum of the digits and the product of the digits is a triangular number.at n=23A118490
• Totally multiplicative sequence with a(p) = 9p-1 for prime p.at n=35A166658
• Squares k such that, if k has d digits, k has at least one digit in common with every other d-digit square.at n=9A173943
• Square numbers with at least one digit in common with any other positive square number.at n=5A182657
• Number of n X 4 0..1 arrays avoiding 0 0 0 and 1 1 1 horizontally and 0 0 1 and 0 1 1 vertically.at n=25A208065
• Squares which have one or more occurrences of exactly six different digits.at n=16A235721
• Primitive numbers whose abundance is positive and odd.at n=24A259231
• Frequent terms, i.e., values such that no smaller value appears more often, in A075771 = quotient + remainder of Euclidean division of n^2 by prime(n).at n=16A277854
• Squares in whose primorial base expansion only even digits appear.at n=44A328850
• Squares whose sum of prime factors (with multiplicity) is also a perfect square.at n=26A392304