121550625

Appears in sequences

• a(n) = (4n+1)^4.at n=26A016816
• a(n) = (5n)^4.at n=21A016852
• a(n) = (6*n + 3)^4.at n=17A016948
• a(n) = (7*n)^4.at n=15A016984
• a(n) = (8*n + 1)^4.at n=13A017080
• a(n) = (9*n + 6)^4.at n=11A017236
• a(n) = (10*n + 5)^4.at n=10A017332
• a(n) = (11*n + 6)^4.at n=9A017464
• a(n) = (12*n + 9)^4.at n=8A017632
• a(n) = binomial(n+2, 2)^4.at n=13A059977
• Denominators of partial sums for a series for (Pi^4)/96.at n=3A128493
• Number of (n+2) X 4 binary arrays avoiding patterns 001 and 011 in rows and columns.at n=23A202094
• a(n) = denominator of sum_(k=1..n) 1/(2*k-1)^n.at n=4A234145
• 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=24A250427
• Number of (n+1)X(3+1) 0..2 arrays with nondecreasing sum of every two consecutive values in every row and column.at n=6A250438
• Number of (n+1)X(7+1) 0..2 arrays with nondecreasing sum of every two consecutive values in every row and column.at n=2A250442
• a(n) = ((2*n-1)!!)^n.at n=3A291547
• a(n) is the product of divisors of the n-th triangular number.at n=13A325838
• Odd numbers k such that sigma(k) > 2*k and A003415(sigma(k)) < k, where A003415 is the arithmetic derivative, and sigma is the sum of divisors function.at n=29A347890
• Odd numbers k such that A183097(k) > 2*k.at n=9A349065