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A226612
Index of the first element of row n of A226607.
10
1, 2, 7, 8, 10, 19, 21, 22, 25, 27, 31, 32, 34, 37, 38, 39, 46, 47, 48, 51, 58, 60, 61, 62, 69, 72, 73, 77, 80, 81, 82, 85, 88, 90, 97, 99, 100, 101, 102, 104, 109, 111, 115, 117, 120, 122, 127, 128, 131, 134, 136, 138, 139, 140, 144, 146, 149, 151, 153, 160
OFFSET
1,2
LINKS
CROSSREFS
a(n) is also the index of the first element of row n in A226608 to A226611.
Sequence in context: A047525 A075766 A258823 * A005538 A329648 A206331
KEYWORD
nonn
AUTHOR
Geoffrey H. Morley, Jun 13 2013
STATUS
approved