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A226628
Index of the first element of row n of A226623.
10
1, 4, 5, 7, 8, 16, 17, 18, 19, 20, 23, 24, 25, 27, 28, 31, 32, 34, 39, 74, 76, 77, 79, 80, 86, 95, 231, 232, 233, 237, 239, 240, 241, 257, 260, 268, 276, 277, 286, 287, 289, 290, 306, 313, 322, 323, 324, 325, 351, 372, 385, 388, 392, 395, 397, 399, 437
OFFSET
1,2
LINKS
CROSSREFS
a(n) is also the index of the first element of row n in A226624 to A226627.
Sequence in context: A353438 A033164 A276324 * A335842 A140076 A135186
KEYWORD
nonn
AUTHOR
Geoffrey H. Morley, Jun 13 2013
STATUS
approved