262440

Appears in sequences

• From a problem concerning circulant matrices and Gauss sums.at n=17A007792
• Number of reversible strings with n labeled beads of 3 colors.at n=5A032108
• Expansion of 1/(1 - 3*x)^4; 4-fold convolution of A000244 (powers of 3).at n=7A036216
• Triangle whose (i,j)-th entry is binomial(i,j)*6^(i-j)*9^j.at n=18A038263
• Triangle whose (i,j)-th entry is binomial(i,j)*8^(i-j)*9^j.at n=19A038287
• Triangle whose (i,j)-th entry is binomial(i,j)*9^(i-j)*6^j.at n=17A038296
• Triangle whose (i,j)-th entry is binomial(i,j)*9^(i-j)*8^j.at n=16A038298
• Expansion of 1/(1 - 2*x^3 - x^4).at n=41A052922
• Triangle of idempotent numbers binomial(n,k)*k^(n-k), version 1.at n=58A059297
• Triangle of idempotent numbers binomial(n,k)*k^(n-k), version 2.at n=47A059298
• Triangle of idempotent numbers binomial(n,k)*k^(n-k), version 4.at n=52A059300
• Sum of aliquot divisors of Ramanujan's highly composite numbers.at n=28A072824
• Number of strings of length n over Z_6 with trace 0 and subtrace 3.at n=8A073974
• Number of strings of length n over Z_6 with trace 1 and subtrace 1.at n=8A073978
• Number of strings of length n over Z_6 with trace 1 and subtrace 3.at n=8A073980
• Number of strings of length n over Z_6 with trace 1 and subtrace 5.at n=8A073982
• Number of strings of length n over Z_6 with trace 2 and subtrace 1.at n=8A073984
• Number of strings of length n over Z_6 with trace 2 and subtrace 3.at n=8A073986
• Number of strings of length n over Z_6 with trace 2 and subtrace 5.at n=8A073988
• Number of strings of length n over Z_6 with trace 3 and subtrace 3.at n=8A073992