Beginning of first run of at least n consecutive happy numbers.
1, 31, 1880, 7839, 44488, 7899999999999959999999996
2 seqfan posts
Sun Oct 9 21:55:09 CEST 2011 [seqfan] Re: Sequence A055629
Sun Oct 9 20:40:32 CEST 2011 [seqfan] Re: Sequence A055629
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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