A278978 Number of initial digits of ternary Pi wherein the digit counts of zeros and twos are exactly equal.

0, 1, 13, 15, 16, 18, 19, 20, 31, 32, 127, 146, 147, 151, 152, 154, 155, 183, 184, 188, 4852, 4854, 4855, 5375, 5490, 5493, 5539, 5540, 5542, 5547, 5624, 5625, 5628, 5629, 5649, 5652, 5657, 5659, 5661, 5662, 5664, 5667, 5669, 5670, 5671, 5672, 5674, 5681, 5685, 5687, 5688, 5696, 5701, 5703, 5718, 5731, 5733, 5735, 5738, 5827, 5829, 5830

Offset: 1

Author

Hans Havermann, Dec 03 2016

Keywords

• nonn
• base

Examples

			Ternary Pi is 10.01021101222201021100211...
0 is in the sequence because the first 0 digits contain 0 zeros and 0 twos.
15 is in the sequence because the first 15 digits contain 5 zeros and 5 twos.
16 is in the sequence because the first 16 digits contain 5 zeros and 5 twos.
		

Links

• Hans Havermann, Table of n, a(n) for n = 1..7441

Crossrefs

Cf. A004602, A039624, A278975, A278977, A278979.