100 C=8:DIM H(145),U(145),N(9)
110 PRINT CHR$(147):PRINT "THE FIRST"C"HAPPY NUMBERS:":PRINT
120 H(1)=1:N=1
130 FOR C=C TO 0 STEP 0
140 : GOSUB 200
150 : IF H THEN PRINT N,:C=C-1
160 : N=N+1
170 NEXT C
180 PRINT
190 END
200 K=0:N(K)=N
210 IF H(N(K)) THEN H=1:FOR J=0 TO K:U(N(J))=0:H(N(J))=1:NEXT J:RETURN
220 IF U(N(K)) THEN H=0:RETURN
230 U(N(K))=1
240 N$=MID$(STR$(N(K)),2)
250 L=LEN(N$)
260 K=K+1:N(K)=0
270 FOR I=1 TO L
280 : D = VAL(MID$(N$,I,1))
290 : N(K) = N(K) + D * D
300 NEXT I
310 GOTO 210