The smallest positive number of the form 3^n-2^a-2^b.

Terms

a(0) =0a(1) =0a(2) =3a(3) =1a(4) =51a(5) =89a(6) =11a(7) =417a(8) =1251a(9) =9897a(10) =13307a(11) =3057a(12) =21459a(13) =64377a(14) =1765995a(15) =1103681a(16) =28476867a(17) =51876169a(18) =21410779a(19) =265558929a(20) =796676787a(21) =5611255833a(22) =8243832907a(23) =3256662241a(24) =22654888611a(25) =67964665833a(27) =886559899441