A308200 The tribonacci representation of a(n) is obtained by appending 0,0,0 to the tribonacci representation of n (cf. A278038).
0, 7, 13, 20, 24, 31, 37, 44, 51, 57, 64, 68, 75, 81, 88, 94, 101, 105, 112, 118, 125, 132, 138, 145, 149, 156, 162, 169, 173, 180, 186, 193, 200, 206, 213, 217, 224, 230, 237, 243, 250, 254, 261, 267, 274, 281, 287, 294, 298, 305, 311, 318, 325, 331, 338, 342, 349, 355, 362, 368, 375, 379, 386
Offset: 0