23104

Appears in sequences

• Coordination sequence for MgZn2, Mg position.at n=38A009939
• a(n) = (4*n)^2.at n=38A016802
• a(n) = (5*n + 2)^2.at n=30A016874
• a(n) = (6*n + 2)^2.at n=25A016934
• a(n) = (7*n + 5)^2.at n=21A017042
• a(n) = (8*n)^2.at n=19A017066
• a(n) = (9*n + 8)^2.at n=16A017258
• a(n) = (10*n + 2)^2.at n=15A017294
• a(n) = (11*n + 9)^2.at n=13A017498
• a(n) = (12*n + 8)^2.at n=12A017618
• a(n) is the smallest square that is the sum of n distinct positive squares.at n=39A018936
• Squares with initial digit '2'.at n=24A045785
• Denominator of 1/64 - 1/n^2.at n=30A061050
• Denominator of 1/64 - 1/n^2.at n=11A061050
• Squares with digital root 1.at n=33A061099
• Numbers k such that sigma(k) - 2k is prime.at n=39A064271
• Squares whose digits can be arranged in increasing cyclic order - to form a substring of 123456789012345678901234567890...at n=9A068708
• Numbers n such that n*phi(n-1) is a perfect square.at n=21A069069
• Squares whose arithmetic mean of digits is an integer (i.e., the sum of digits is a multiple of the number of digits).at n=21A069711
• a(1)=0, a(2)=9; then distinct squares such that the sum of three successive terms is a square.at n=16A075373