11101: Near Repdigit 11..1101

First few terms (base 10): \[[1^*01_5]_n=\{1,26,151,776,3901,\ldots\}\]

First few terms (base 5): \[\{\text{1},\text{101},\text{1101},\text{11101},\text{111101},\ldots\}\]

General Formula:\[[1^*01_5]_n={25\cdot5^{n}-21\over4}\]

Equivalent Patterns: \[[2^*02_5]_n=2\cdot[1^*01_5]_n\] \[[4^*04_5]_n=4\cdot[1^*01_5]_n\] \[[3^*03_5]_n=3\cdot[1^*01_5]_n\]

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