A348253 -id:A348253 - cp's OEIS frontend

A348246 Index of first occurrence of n in A307730.

1, 2, 4, 8, 47, 7, 52, 27, 17, 60, 1374, 26, 1385, 59, 46, 137, 3738, 98, 3755, 204, 83, 1399, 6680, 136, 320, 1398, 176, 224, 6703, 345, 84626, 252, 1447, 3775, 375, 203, 84657, 3774, 1446, 502, 89480, 410, 89521, 1480, 319, 6733, 91832, 542, 452, 1024, 3847, 1618, 91879, 690, 1524, 501, 3846, 6732, 173092, 1074, 173151, 84695, 645, 807, 1579, 1735, 192882

Offset: 1

Rémy Sigrist and N. J. A. Sloane, Oct 17 2021

nonn

a(n) is the least k such that A307730(k) = n.

			For n = 6:
- sequence A307730 starts: 1, 2, 2, 3, 3, 3, 6, 4, 4, 4, 4, 6, 6, 6, 6, 6,
- the first occurrence of 6 appears at position 7,
- so a(6) = 7.

Rémy Sigrist, Table of n, a(n) for n = 1..10000
Rémy Sigrist, C program for A348246

Cf. A307720, A307730, A307630, A348409.

Records: A348252, A348253.

C
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See Links section.
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A348409(n) - a(n) >= n - 1.

A348409 a(n) is the greatest k such that A307730(k) = n.

Original entry on oeis.org

1, 3, 6, 11, 51, 16, 58, 34, 25, 69, 1384, 45, 1397, 82, 97, 152, 3754, 115, 3773, 223, 135, 1420, 6702, 175, 344, 1445, 202, 251, 6731, 374, 84656, 283, 1479, 3808, 409, 318, 84693, 3845, 1617, 541, 89520, 451, 89563, 1523, 689, 6778, 91878, 589, 500, 1073

Offset: 1

Rémy Sigrist, Oct 17 2021

nonn

			For n = 6:
- sequence A307730 starts: 1, 2, 2, 3, 3, 3, 6, 4, 4, 4, 4, 6, 6, 6, 6, 6,
- the sixth occurrence of 6 appears at position 16,
- so a(6) = 16.

Rémy Sigrist, Table of n, a(n) for n = 1..10000
Rémy Sigrist, C program for A348409

Cf. A307720, A307730, A348246.

Records: A348253, A348254.

C
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See Links section.
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a(n) - A348246(n) >= n - 1.

A348252 Records in A348246.

Original entry on oeis.org

1, 2, 4, 8, 47, 52, 60, 1374, 1385, 3738, 3755, 6680, 6703, 84626, 84657, 89480, 89521, 91832, 91879, 173092, 173151, 192882, 192949, 524587, 524660, 865301, 865384, 876543, 876640, 890479, 890582, 904273, 904382, 918859, 918986, 1628979, 1629116, 1647107, 1647256, 1666775, 1666932, 1687763, 1687930

Offset: 1

N. J. A. Sloane, Oct 21 2021

nonn

Rémy Sigrist, Table of n, a(n) for n = 1..7053
Rémy Sigrist, C program for A348252

Cf. A307720, A307730, A348246, A348409, A348249, A348253-A348256.

C
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// See Links section.
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cp's OEIS Frontend

A348246 Index of first occurrence of n in A307730.

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A348409 a(n) is the greatest k such that A307730(k) = n.

Views

Author

Keywords

Examples

Links

Crossrefs

Programs

C

Formula

A348252 Records in A348246.

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Author

Keywords

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Programs

C