34308

Appears in sequences

• The number of degree sequences with degree sum 2n representable by a non-separable graph (with multiple edges allowed).at n=25A147877
• Numbers k such that prime(k) * 2^k - 1 is prime.at n=20A239741
• Number of partitions p = [x(1), ..., x(k)], where x(1) >= x(2) >= ... >= x(k), of n such that max(x(i) - x(i-1)) > number of distinct parts of p.at n=44A241822
• Number of n X 2 nonnegative integer arrays with upper left 0 and lower right n+2-4 and value increasing by 0 or 1 with every step right or down.at n=27A252870
• Number of (n+1)X(6+1) 0..1 arrays with every 2X2 subblock ne-sw antidiagonal difference unequal to its neighbors horizontally and nw+se diagonal sum unequal to its neighbors vertically.at n=10A253696
• First differences of A112877 (zero terms in Cald's sequence A006509).at n=12A370951