40955
domain: N
Appears in sequences
- Sequence of sums of alternating increasing powers of 2.at n=25A079360
- Partial sums of A162255.at n=25A164053
- Number of idempotent n X n 0..7 matrices of rank n-1.at n=4A224332
- Number of idempotent 5 X 5 0..n matrices of rank 4.at n=6A224336
- Number of (n+2) X (2+2) 0..1 arrays with each 3 X 3 subblock having clockwise perimeter pattern 00000000 00000001 or 00000011.at n=6A259888
- Number of (n+2)X(7+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000000 00000001 or 00000011.at n=1A259893
- T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000000 00000001 or 00000011.at n=29A259894
- T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000000 00000001 or 00000011.at n=34A259894
- Main diagonal of A332354.at n=26A332355
- Semiprimes that are product of a Fermat prime and a Mersenne prime.at n=17A336115
- Triangle read by rows. Denominators of the coefficients of a sequence of rational polynomials r_n(x) with r_n(1) = B(2*n), where B(n) are the Bernoulli numbers.at n=30A356653
- Triangle read by rows. Denominators of the coefficients of a sequence of rational polynomials r_n(x) with r_n(1) = B(2*n), where B(n) are the Bernoulli numbers.at n=31A356653