200759

Appears in sequences

• Sum of Floor[ 3*(1+sqrt(2))^(n-k) ] for k from 1 to infinity.at n=12A020964
• Starts of runs of 3 consecutive Catalan-Niven numbers (A352508).at n=32A352510
• The sixth term of the greedy B_n set of natural numbers.at n=26A369818