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A018801 Index of smallest triangular number beginning with n. +0
2
1, 6, 2, 9, 10, 3, 12, 40, 13, 4, 47, 15, 16, 53, 5, 57, 18, 60, 19, 63, 6, 66, 21, 69, 22, 72, 23, 7, 76, 24, 79, 25, 81, 82, 26, 8, 27, 87, 88, 28, 91, 92, 29, 94, 9, 30, 97, 98, 31, 100, 101, 32, 103, 104, 10, 33, 107, 108, 34, 346, 110, 111, 35, 113, 114, 11, 116, 369, 117 (list; graph; listen)
OFFSET

1,2

CROSSREFS

Cf. A018855.

Adjacent sequences: A018798 A018799 A018800 this_sequence A018802 A018803 A018804

Sequence in context: A100123 A118388 A050235 this_sequence A055021 A141379 A100616

KEYWORD

nonn,base

AUTHOR

njas, David W. Wilson (davidwwilson(AT)comcast.net)

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Last modified October 13 20:18 EDT 2008. Contains 145016 sequences.


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