22451

Appears in sequences

• Pisot sequence T(6,10), a(n) = floor(a(n-1)^2/a(n-2)).at n=19A020741
• Number of 3 X n binary matrices such that any 2 rows have a common 1, up to column permutations.at n=11A052387
• Structured disdyakis triacontahedral numbers (vertex structure 5).at n=10A100160
• a(n) = (10*n+3)*(10*n+17).at n=14A152579
• Number of (weakly) unimodal compositions of n where all parts 1, 2, ..., m appear where m is the largest part.at n=29A227038
• a(n) = Sum_{i=0..n} digsum_5(i)^4, where digsum_5(i) = A053824(i).at n=38A231671
• Numbers m such that 6m+1, 12m+1, 18m+1, 36m+1 and 72m+1 are all prime.at n=17A257035
• G.f.: Product_{k>=1} (1 + x^(k*(k+1)/2)) / (1 - x^k).at n=30A280421