Can express a(n) with the digits of a(n)^4 in order, only adding plus signs.

Terms

a(0) =0a(1) =1a(2) =7a(3) =10a(4) =19a(5) =22a(6) =25a(7) =27a(8) =28a(9) =34a(10) =36a(11) =37a(12) =45a(13) =52a(14) =54a(15) =55a(16) =58a(17) =61a(18) =63a(19) =64a(20) =67a(21) =72a(22) =73a(23) =76a(24) =79a(25) =81a(26) =82a(27) =85a(28) =91a(29) =100