18974736

Appears in sequences

• Fourth powers of palindromes.at n=15A014188
• a(n) = (3*n)^4.at n=22A016768
• a(n) = (4*n+2)^4.at n=16A016828
• a(n) = (5*n + 1)^4.at n=13A016864
• a(n) = (6*n)^4.at n=11A016912
• a(n) = (7*n + 3)^4.at n=9A017020
• a(n) = (8*n + 2)^4.at n=8A017092
• a(n) = (9*n+3)^4.at n=7A017200
• a(n) = (10*n + 6)^4.at n=6A017344
• a(n) = (11*n)^4.at n=6A017392
• a(n) = (12*n + 6)^4.at n=5A017596
• a(n) = binomial(n+2, 2)^4.at n=10A059977
• Squares which are the product of a non-palindrome and its reversal, where leading zeros are not allowed.at n=7A076750
• a(n) = product of non-powerful divisors d of n.at n=65A183103
• a(n) = product of divisors of n that are not perfect powers.at n=65A183105
• a(n) is the product of palindromic divisors of n.at n=65A184392
• Number of (n+2) X 4 binary arrays avoiding patterns 001 and 011 in rows and columns.at n=17A202094
• Number of (n+1)X(3+1) 0..1 arrays with nondecreasing sum of every two consecutive values in every row and column.at n=18A250427
• Number of (n+2) X (2+2) 0..1 arrays with no 3 x 3 subblock diagonal sum equal to the antidiagonal sum.at n=5A258675
• Number of (n+2)X(6+2) 0..1 arrays with no 3x3 subblock diagonal sum equal to the antidiagonal sum.at n=1A258679