31278

Appears in sequences

• a(n) = T(n,n+1), array T as in A047130.at n=9A047136
• Triangle of coefficients of polynomials P(n; x) = Permanent(M), where M=[m(i,j)] is n X n matrix defined by m(i,j)=x if -1<=i-j<=1 else m(i,j)=1.at n=50A080018
• Maximal troughs in decimal expansions of Pi: positions of troughs equal to 8.at n=34A105276
• Number of n-node unlabeled rooted trees with thinning limbs and root outdegree (branching factor) 4.at n=14A244705
• Number of (7+2) X (n+2) 0..1 arrays with every 3 X 3 subblock sum of the two sums of the diagonal and antidiagonal minus the two minimums of the central column and central row nondecreasing horizontally, vertically and ne-to-sw antidiagonally.at n=15A254913
• Number of non-equivalent ways (mod D_2) to select 4 points from n equidistant points on a straight line so that no selected point is equally distant from two other selected points.at n=34A300761
• Number of integer partitions of n that cannot be partitioned into a set (or multiset) of sets with distinct sums.at n=44A381990
• Consecutive internal states of the linear congruential pseudo-random number generator (3877*s + 29573) mod 139968 when started at 1.at n=13A385459