In lunar arithmetic in base 3, this is the number of lunar divisors of the number 111...1 (with n 1's).
A186523
In lunar arithmetic in base 3, this is the number of lunar divisors of the number 111...1 (with n 1's).
Terms
- a(0) =2a(1) =6a(2) =14a(3) =34a(4) =82a(5) =206a(6) =526a(7) =1378a(8) =3674a(9) =9950a(10) =27278a(11) =75514a(12) =210634a(13) =591054a(14) =1666406a(15) =4716186a(16) =13389434a(17) =38113462a(18) =108737894a(19) =310851770a(20) =890244546a(21) =2553782246a(22) =7337143110a(23) =21110531858a(24) =60823037522a(25) =175471424214a(26) =506862346750
External references
- oeis: A186523