53824

Appears in sequences

• a(n) = Sum_{k=0..n} C(n-k,4*k).at n=20A005676
• Squares of palindromes.at n=32A014186
• a(n) = (6*n + 4)^2.at n=38A016958
• a(n) = (8*n)^2.at n=29A017066
• a(n) = (9*n + 7)^2.at n=25A017246
• a(n) = (10*n + 2)^2.at n=23A017294
• a(n) = (11*n+1)^2.at n=21A017402
• a(n) = (12*n + 4)^2.at n=19A017570
• Squares k^2 in which the digits of k appear.at n=35A029773
• Numbers k such that k! stripped of trailing zeros ends in k.at n=5A045647
• Squares with initial digit '5'.at n=17A045788
• Numbers k such that sopfr(k) = sopfr(k - sopfr(k)).at n=36A050781
• Denominator of 1/64 - 1/n^2.at n=21A061050
• Squares that are the sum of two consecutive primes.at n=17A062703
• Smaller of the two successive squares which differ in the use of only one digit.at n=25A078187
• Triangular numbers + 1 squared.at n=21A086601
• Binomial transform of A001541 (with interpolated zeros).at n=10A088013
• Numbers n such that n, n+1, n+2, n+3, n+4 are all of the form x^2+2*y^2 for nonnegative x, y.at n=28A096783
• Numbers k such that A094471(k) is prime.at n=25A096847
• Quintisection and binomial transform of 1/(1-x^4-x^5).at n=16A099131