A275218Numbers in 2-cycles of RATS sequences.

78, 117, 156, 288, 11127, 11667, 23388, 27888, 111177, 228888, 111111777, 222888888, 1111122267, 3333337788, 111111117777, 222288888888, …

The first term appear at position 66.

…93993751058209749445923078164062862089986280348253…
position 66
termsstringfirst positionoccurrences
178669,999,528
278117414,0889,841
378117156not within 1,000,000,0000
478117156288not within 1,000,000,0000

Searched the first 1,000,000,000 digits. Strings longer than 12 digits are not indexed.