222300

Appears in sequences

• Starting index of a string of 5 or more consecutive equal digits in decimal expansion of Pi.at n=27A049517
• Starting index of a string of 6 or more consecutive equal digits in decimal expansion of Pi.at n=2A049534
• Starting positions of strings of four 8's in the decimal expansion of Pi.at n=24A083638
• Starting positions of strings of five 8's in the decimal expansion of Pi.at n=2A083639
• Erroneous version of A049534.at n=3A084072
• Numbers with prime factorization pqr^2s^2t^2.at n=20A190379
• Number of noncrossing 2,3 cacti with n nodes.at n=9A361245
• Place a point on the integer coordinates, up to |n|, along all four axial directions on a Cartesian plane, and then join a circle through every unordered triple of non-collinear points: a(n) is the number of distinct points where circles intersect.at n=4A385160