56644

Appears in sequences

• a(n) = (6*n + 4)^2.at n=39A016958
• a(n) = (7*n)^2.at n=34A016982
• a(n) = (8*n+6)^2.at n=29A017138
• a(n) = (9*n + 4)^2.at n=26A017210
• a(n) = (10*n + 8)^2.at n=23A017366
• a(n) = (11*n + 7)^2.at n=21A017474
• a(n) = (12*n+10)^2.at n=19A017642
• Squares such that digits of sqrt(n) are not present in n.at n=43A029784
• Squares composed of digits {4,5,6}.at n=3A030176
• Squares with initial digit '5'.at n=23A045788
• Denominator of 1/49 - 1/n^2.at n=27A061048
• 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=33A069711
• Exclusionary squares.at n=34A112735
• Group the triangular numbers so that the n-th group sum is a multiple of n. 1, (3, 6, 10, 15), (21), (28), (36, 45, 55, 66, 78), (91, 105, 120, 136, 153, 171, 190), ... Sequence contains the group sums.at n=27A114031
• Square numbers which are the sum of distinct double factorials (A006882).at n=26A115648
• Squares appearing in A062064: a(n) = A062064(n) + A062064(n+1).at n=25A134537
• Perfect squares in A133459; or perfect squares that are the sums of two nonzero pentagonal pyramidal numbers.at n=17A136359
• Numbers with 27 divisors.at n=28A137490
• Numbers that are the squares of the product of three distinct primes.at n=22A162143
• A positive integer is included if it is a square that contains the same number of 0's as 1's when represented in binary.at n=26A164343