13333: Near Repdigit 133..33

First few terms (base 10): \[[13^*_8]_n=\{1,11,91,731,5851,\ldots\}\]

First few terms (base 8): \[\{\text{1},\text{13},\text{133},\text{1333},\text{13333},\ldots\}\]

General Formula:\[[13^*_8]_n={10\cdot8^{n}-3\over7}\]

Equivalent Patterns: \[[42^*1_8]_n=3\cdot[13^*_8]_{n+1}\] \[[26^*_8]_n=2\cdot[13^*_8]_n\] \[[5^*4_8]_n=4\cdot[13^*_8]_n\]

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