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A031240 Position of n-th 4 in A031235. 0
4, 13, 23, 33, 36, 38, 40, 42, 43, 44, 57, 72, 87, 102, 106, 109, 112, 115, 117, 118, 132, 147, 162, 177, 181, 184, 187, 190, 192, 193, 207, 222, 237, 252, 256, 259, 262, 265, 267, 268, 272, 275, 278, 281, 282, 284, 287, 290, 293 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..49.

CROSSREFS

Cf. A031235.

Sequence in context: A256390 A264623 A063631 * A031320 A112263 A244291

Adjacent sequences: A031237 A031238 A031239 * A031241 A031242 A031243

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified March 23 16:16 EDT 2023. Contains 361445 sequences. (Running on oeis4.)