30331

Appears in sequences

• a(n) is the smallest value of m such that A002378(m), the m-th oblong number, contains exactly n 9's.at n=5A048547
• Number of nondecreasing -2..2 vectors of length n whose dot product with some other -2..2 vector equals n.at n=26A226334
• Number of n X 2 nonnegative integer arrays with upper left 0 and every value within 2 of its city block distance from the upper left and every value increasing by 0 or 1 with every step right or down.at n=26A252814
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 457", based on the 5-celled von Neumann neighborhood.at n=36A272282